Remove project config UI panel

With Gerrit 3.0 the project config panels for plugins are automatically
generated and didn't need to be provided by the plugin anymore.

Change-Id: Ic5d5c096019930054ac8ef368d76849d4e2d5623
diff --git a/BUILD b/BUILD
index 823f272..2d4dd7d 100644
--- a/BUILD
+++ b/BUILD
@@ -7,7 +7,6 @@
     manifest_entries = [
         "Gerrit-PluginName: reviewers-by-blame",
         "Gerrit-Module: com.googlesource.gerrit.plugins.reviewersbyblame.ReviewersByBlameModule",
-        "Gerrit-HttpModule: com.googlesource.gerrit.plugins.reviewersbyblame.HttpModule",
         "Implementation-Title: Reviewers By Blame",
         "Implementation-URL: https://gerrit.googlesource.com/plugins/reviewers-by-blame",
     ],
diff --git a/src/main/java/com/googlesource/gerrit/plugins/reviewersbyblame/HttpModule.java b/src/main/java/com/googlesource/gerrit/plugins/reviewersbyblame/HttpModule.java
deleted file mode 100644
index 25d3d7c..0000000
--- a/src/main/java/com/googlesource/gerrit/plugins/reviewersbyblame/HttpModule.java
+++ /dev/null
@@ -1,29 +0,0 @@
-// Copyright (C) 2019 The Android Open Source Project
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package com.googlesource.gerrit.plugins.reviewersbyblame;
-
-import com.google.gerrit.extensions.registration.DynamicSet;
-import com.google.gerrit.extensions.webui.JavaScriptPlugin;
-import com.google.gerrit.extensions.webui.WebUiPlugin;
-import com.google.gerrit.httpd.plugins.HttpPluginModule;
-
-public class HttpModule extends HttpPluginModule {
-
-  @Override
-  protected void configureServlets() {
-    DynamicSet.bind(binder(), WebUiPlugin.class)
-        .toInstance(new JavaScriptPlugin("gr-reviewers-by-blame.html"));
-  }
-}
diff --git a/src/main/resources/static/gr-reviewers-by-blame-config.html b/src/main/resources/static/gr-reviewers-by-blame-config.html
deleted file mode 100644
index 3cdca3e..0000000
--- a/src/main/resources/static/gr-reviewers-by-blame-config.html
+++ /dev/null
@@ -1,82 +0,0 @@
-<!--
-@license
-Copyright (C) 2019 The Android Open Source Project
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-http://www.apache.org/licenses/LICENSE-2.0
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
--->
-
-<dom-module id="gr-reviewers-by-blame-config">
-  <template>
-    <style include="shared-styles"></style>
-    <style include="gr-form-styles"></style>
-    <style>
-      .sectionTitle {
-        padding-top: 2em;
-      }
-    </style>
-    <fieldset class="gr-form-styles">
-      <h2 class="sectionTitle">Reviewers-By-Blame Options</h2>
-      <section>
-        <span class="title">Ignore file regex</span>
-        <span class="value">
-          <iron-input bind-value="{{_changedConfig.ignoreFileRegEx.value}}">
-            <input id="ignoreFileRegEx"
-                   value="{{_changedConfig.ignoreFileRegEx.value::input}}"
-                   type="text"
-                   on-input="_handlePrefsChanged"
-                   disabled$="[[readOnly]]">
-          </iron-input>
-        </span>
-        <span class="value">
-          [[_formatInheritedValue(_appliedConfig.ignoreFileRegEx.inherited_value)]]
-        </span>
-      </section>
-      <section>
-        <span class="title">Ignore regex</span>
-        <span class="value">
-          <iron-input bind-value="{{_changedConfig.ignoreSubjectRegEx.value}}">
-            <input id="ignoreSubjectRegEx"
-                   value="{{_changedConfig.ignoreSubjectRegEx.value::input}}"
-                   type="text"
-                   on-input="_handlePrefsChanged"
-                   disabled$="[[readOnly]]">
-          </iron-input>
-        </span>
-        <span class="value">
-          [[_formatInheritedValue(_appliedConfig.ignoreSubjectRegEx.inherited_value)]]
-        </span>
-      </section>
-      <section>
-        <span class="title">Max reviewers</span>
-        <span class="value">
-          <iron-input bind-value="{{_changedConfig._maxReviewers.value}}">
-            <input id="maxReviewers"
-                   value="{{_changedConfig.maxReviewers.value::input}}"
-                   prevent-invalid-input
-                   allowed-pattern="[0-9]"
-                   type="number"
-                   on-keypress="_handlePrefsChanged"
-                   on-change="_handlePrefsChanged"
-                   disabled$="[[readOnly]]">
-          </iron-input>
-        </span>
-        <span class="value">
-          [[_formatInheritedValue(_appliedConfig.maxReviewers.inherited_value)]]
-        </span>
-      </section>
-      <gr-button id="saveButton"
-                 on-click="_handlePrefsSave"
-                 disabled="[[!_prefsChanged]]">
-        Save Changes
-      </gr-button>
-    </fieldset>
-  </template>
-  <script src="gr-reviewers-by-blame-config.js"></script>
-</dom-module>
diff --git a/src/main/resources/static/gr-reviewers-by-blame-config.js b/src/main/resources/static/gr-reviewers-by-blame-config.js
deleted file mode 100644
index 5957f94..0000000
--- a/src/main/resources/static/gr-reviewers-by-blame-config.js
+++ /dev/null
@@ -1,82 +0,0 @@
-// Copyright (C) 2019 The Android Open Source Project
-//
-// Licensed under the Apache License, Version 2.0 (the 'License');
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an 'AS IS' BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-(function () {
-  'use strict';
-
-  Polymer({
-    is: 'gr-reviewers-by-blame-config',
-
-    properties: {
-      repoName: String,
-      _appliedConfig: Object,
-      _changedConfig: Object,
-      _prefsChanged: {
-        type: Boolean,
-        value: false,
-      },
-      _projectRestApi: Object,
-      readOnly: {
-        type: Boolean,
-        value: true,
-      },
-    },
-
-    attached() {
-      this._projectRestApi = this.plugin.restApi('/projects/');
-
-      this._getPreferences().then(() => {
-        this._changedConfig = Object.assign({}, this._appliedConfig);
-      });
-    },
-
-    _getPreferences() {
-      return this._projectRestApi.get(`${encodeURIComponent(this.repoName)}/config`)
-        .then(config => {
-          if (!config) {
-            return;
-          }
-
-          if (config.plugin_config
-            && config.plugin_config['reviewers-by-blame']) {
-            this._appliedConfig = config.plugin_config['reviewers-by-blame'];
-          }
-        })
-    },
-
-    _handlePrefsChanged() {
-      this._prefsChanged = true;
-    },
-
-    _handlePrefsSave() {
-      let body = { plugin_config_values: {} };
-      body.plugin_config_values['reviewers-by-blame'] = this._changedConfig;
-
-      this._projectRestApi.put(`${encodeURIComponent(this.repoName)}/config`, body)
-        .then(() => {
-          this._prefsChanged = false;
-        }).catch(response => {
-          this.fire('show-error', { message: response });
-        });
-    },
-
-    _formatInheritedValue(value) {
-      if (value) {
-        return `inherited: ${value}`;
-      }
-
-      return '';
-    },
-  });
-})();
diff --git a/src/main/resources/static/gr-reviewers-by-blame.html b/src/main/resources/static/gr-reviewers-by-blame.html
deleted file mode 100644
index b5d2046..0000000
--- a/src/main/resources/static/gr-reviewers-by-blame.html
+++ /dev/null
@@ -1,26 +0,0 @@
-<!--
-@license
-Copyright (C) 2019 The Android Open Source Project
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
--->
-
-<link rel="import" href="./gr-reviewers-by-blame-config.html">
-
-<dom-module id="gr-reviewers-by-blame">
-  <script>
-    Gerrit.install(plugin => {
-      plugin.registerCustomComponent('repo-config', 'gr-reviewers-by-blame-config');
-    });
-  </script>
-</dom-module>