GetPassword is not available anymore

This method was remoed by [1].

Simply removing it here as well seems the best.

[1] https://gerrit-review.googlesource.com/#/c/96370/

Change-Id: I6287435c7c3f7225415ee56301a35b6718f392d6
diff --git a/src/main/java/com/googlesource/gerrit/plugins/serviceuser/GetHttpPassword.java b/src/main/java/com/googlesource/gerrit/plugins/serviceuser/GetHttpPassword.java
deleted file mode 100644
index 6cf4754..0000000
--- a/src/main/java/com/googlesource/gerrit/plugins/serviceuser/GetHttpPassword.java
+++ /dev/null
@@ -1,35 +0,0 @@
-// Copyright (C) 2015 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.serviceuser;
-
-import com.google.common.base.Strings;
-import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
-import com.google.gerrit.extensions.restapi.RestReadView;
-import com.google.gerrit.server.account.AccountState;
-import com.google.inject.Singleton;
-
-@Singleton
-public class GetHttpPassword implements RestReadView<ServiceUserResource> {
-
-  @Override
-  public String apply(ServiceUserResource rsrc)
-      throws ResourceNotFoundException {
-    AccountState s = rsrc.getUser().state();
-    if (s.getUserName() == null) {
-      throw new ResourceNotFoundException();
-    }
-    return Strings.nullToEmpty(s.getPassword(s.getUserName()));
-  }
-}
diff --git a/src/main/java/com/googlesource/gerrit/plugins/serviceuser/Module.java b/src/main/java/com/googlesource/gerrit/plugins/serviceuser/Module.java
index aeaff7d..33a4024 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/serviceuser/Module.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/serviceuser/Module.java
@@ -63,7 +63,6 @@
         get(SERVICE_USER_KIND, "email").to(GetEmail.class);
         put(SERVICE_USER_KIND, "email").to(PutEmail.class);
         delete(SERVICE_USER_KIND, "email").to(PutEmail.class);
-        get(SERVICE_USER_KIND, "password.http").to(GetHttpPassword.class);
         put(SERVICE_USER_KIND, "password.http").to(PutHttpPassword.class);
         delete(SERVICE_USER_KIND, "password.http").to(PutHttpPassword.class);
         get(SERVICE_USER_KIND, "active").to(GetActive.class);
diff --git a/src/main/resources/Documentation/rest-api-config.md b/src/main/resources/Documentation/rest-api-config.md
index c5958c7..302be07 100644
--- a/src/main/resources/Documentation/rest-api-config.md
+++ b/src/main/resources/Documentation/rest-api-config.md
@@ -425,31 +425,6 @@
 Some realms may not allow to modify the email. In this case the
 request is rejected with "`405 Method Not Allowed`".
 
-### <a id="get-http-password"> Get HTTP password
-GET
-/config/server/@PLUGIN@~serviceusers/[\{account-id\}](../../../Documentation/rest-api-accounts.html#account-id)/password.http_
-
-Retrieves the HTTP password of a service user.
-
-#### Request
-
-```
-  GET /config/server/@PLUGIN@~serviceusers/JenkinsVoter/password.http HTTP/1.0
-```
-
-#### Response
-
-```
-  HTTP/1.1 200 OK
-  Content-Disposition: attachment
-  Content-Type: application/json;charset=UTF-8
-
-  )]}'
-  "6A5zoF7Bf2fMggf4R6pO3Bzgchnwl6oBI8+yA3YJUA"
-```
-
-If the service user does not have an HTTP password an empty string is returned.
-
 ### <a id="set-http-password"> Set/Generate HTTP password
 PUT
 /config/server/@PLUGIN@~serviceusers/[\{account-id\}](../../../Documentation/rest-api-accounts.html#account-id)/password.http_