Remove Maven build

The Maven build is packaging too much stuff into the plugin jar.
Building the plugin with Maven results in a plugin jar > 18MB while
with Buck it is < 2MB. Instead of fixing the Maven build, just remove
it. It's anyway too much work to support 2 build systems in the long
run.

Change-Id: I8dffdd7281a3e71e36c54dd26c33d68187d1e043
Signed-off-by: Edwin Kempin <edwin.kempin@sap.com>
diff --git a/pom.xml b/pom.xml
deleted file mode 100644
index ef7e0bf..0000000
--- a/pom.xml
+++ /dev/null
@@ -1,139 +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.
--->
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
-  <modelVersion>4.0.0</modelVersion>
-
-  <groupId>com.googlesource.gerrit.plugins.importer</groupId>
-  <artifactId>importer</artifactId>
-  <packaging>jar</packaging>
-  <version>2.12-SNAPSHOT</version>
-  <name>importer</name>
-
-  <properties>
-    <Gerrit-ApiType>plugin</Gerrit-ApiType>
-    <Gerrit-ApiVersion>${project.version}</Gerrit-ApiVersion>
-  </properties>
-
-  <build>
-    <plugins>
-      <plugin>
-        <groupId>org.apache.maven.plugins</groupId>
-        <artifactId>maven-jar-plugin</artifactId>
-        <version>2.4</version>
-        <configuration>
-          <archive>
-            <manifestEntries>
-              <Gerrit-PluginName>importer</Gerrit-PluginName>
-              <Gerrit-Module>com.googlesource.gerrit.plugins.importer.Module</Gerrit-Module>
-              <Gerrit-SshModule>com.googlesource.gerrit.plugins.importer.SshModule</Gerrit-SshModule>
-              <Gerrit-HttpModule>com.googlesource.gerrit.plugins.importer.HttpModule</Gerrit-HttpModule>
-
-              <Implementation-Vendor>Gerrit Code Review</Implementation-Vendor>
-              <Implementation-URL>http://code.google.com/p/gerrit/</Implementation-URL>
-
-              <Implementation-Title>${Gerrit-ApiType} ${project.artifactId}</Implementation-Title>
-              <Implementation-Version>${project.version}</Implementation-Version>
-
-              <Gerrit-ApiType>${Gerrit-ApiType}</Gerrit-ApiType>
-              <Gerrit-ApiVersion>${Gerrit-ApiVersion}</Gerrit-ApiVersion>
-            </manifestEntries>
-          </archive>
-        </configuration>
-      </plugin>
-
-      <plugin>
-        <groupId>org.apache.maven.plugins</groupId>
-        <artifactId>maven-compiler-plugin</artifactId>
-        <version>2.3.2</version>
-        <configuration>
-          <source>1.7</source>
-          <target>1.7</target>
-          <encoding>UTF-8</encoding>
-        </configuration>
-      </plugin>
-
-      <plugin>
-        <groupId>org.codehaus.mojo</groupId>
-        <artifactId>gwt-maven-plugin</artifactId>
-        <version>2.7.0</version>
-        <configuration>
-          <module>com.googlesource.gerrit.plugins.importer.Importer</module>
-          <disableClassMetadata>true</disableClassMetadata>
-          <disableCastChecking>true</disableCastChecking>
-          <webappDirectory>${project.build.directory}/classes/static</webappDirectory>
-        </configuration>
-        <executions>
-          <execution>
-            <goals>
-              <goal>compile</goal>
-            </goals>
-          </execution>
-        </executions>
-      </plugin>
-
-      <plugin>
-        <groupId>org.apache.maven.plugins</groupId>
-        <artifactId>maven-shade-plugin</artifactId>
-        <version>2.3</version>
-        <configuration>
-          <promoteTransitiveDependencies>true</promoteTransitiveDependencies>
-          <createDependencyReducedPom>false</createDependencyReducedPom>
-        </configuration>
-        <executions>
-          <execution>
-            <phase>package</phase>
-            <goals>
-              <goal>shade</goal>
-            </goals>
-          </execution>
-        </executions>
-      </plugin>
-    </plugins>
-  </build>
-
-  <dependencies>
-    <dependency>
-      <groupId>com.google.gerrit</groupId>
-      <artifactId>gerrit-${Gerrit-ApiType}-api</artifactId>
-      <version>${Gerrit-ApiVersion}</version>
-      <scope>provided</scope>
-    </dependency>
-    <dependency>
-      <groupId>com.google.gerrit</groupId>
-      <artifactId>gerrit-plugin-gwtui</artifactId>
-      <version>${Gerrit-ApiVersion}</version>
-      <scope>provided</scope>
-    </dependency>
-    <dependency>
-      <groupId>com.google.gwt</groupId>
-      <artifactId>gwt-user</artifactId>
-      <version>2.7.0</version>
-      <scope>provided</scope>
-    </dependency>
-    <dependency>
-      <groupId>org.apache.httpcomponents</groupId>
-      <artifactId>httpclient</artifactId>
-      <version>4.3.4</version>
-    </dependency>
-    <dependency>
-      <groupId>org.apache.httpcomponents</groupId>
-      <artifactId>httpcore</artifactId>
-      <version>4.3.2</version>
-    </dependency>
-  </dependencies>
-</project>
diff --git a/src/main/resources/Documentation/build.md b/src/main/resources/Documentation/build.md
index f726c6e..a96e116 100644
--- a/src/main/resources/Documentation/build.md
+++ b/src/main/resources/Documentation/build.md
@@ -1,7 +1,7 @@
 Build
 =====
 
-This plugin can be built with Buck or Maven.
+This plugin can be built with Buck.
 
 Buck
 ----
@@ -69,15 +69,3 @@
   ./tools/eclipse/project.py
 ```
 
-Maven
------
-
-Note that the Maven build is provided for compatibility reasons, but
-it is considered to be deprecated and will be removed in a future
-version of this plugin.
-
-To build with Maven, run
-
-```
-mvn clean package
-```