Remove Maven legacy pom.xml

Now that the build is fully working and integrated in
Bazel, including the consumption and validation with other
implementation plugins, the legacy pom.xml is not needed
anymore.

Change-Id: Ib9e67570af9f1fae599cc758e7ac64cd67aaef12
diff --git a/pom.xml b/pom.xml
deleted file mode 100644
index 8d4085e..0000000
--- a/pom.xml
+++ /dev/null
@@ -1,174 +0,0 @@
-<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/xsd/maven-4.0.0.xsd">
-    <modelVersion>4.0.0</modelVersion>
-
-    <groupId>com.gerritforge</groupId>
-    <artifactId>events-broker</artifactId>
-    <version>3.4.8</version>
-    <packaging>jar</packaging>
-
-    <name>events-broker</name>
-    <description>Events Broker API for use with Gerrit Code Review</description>
-    <url>https://gerrit.googlesource.com/modules/events-broker</url>
-
-    <licenses>
-        <license>
-            <name>The Apache Software License, Version 2.0</name>
-            <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
-            <distribution>repo</distribution>
-        </license>
-    </licenses>
-
-    <scm>
-        <url>https://gerrit.googlesource.com/modules/events-broker</url>
-        <connection>https://gerrit.googlesource.com/modules/events-broker.git</connection>
-    </scm>
-
-    <developers>
-        <developer>
-            <name>Luca Milanesio</name>
-        </developer>
-        <developer>
-            <name>Marcin Czech</name>
-        </developer>
-        <developer>
-            <name>Antonio Barone</name>
-        </developer>
-    </developers>
-
-    <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <auto-value.version>1.7.4</auto-value.version>
-        <gerrit.version>3.4.8</gerrit.version>
-    </properties>
-
-    <dependencies>
-        <dependency>
-            <groupId>com.google.gerrit</groupId>
-            <artifactId>gerrit-plugin-api</artifactId>
-            <version>${gerrit.version}</version>
-            <scope>provided</scope>
-        </dependency>
-        <dependency>
-            <groupId>com.google.gerrit</groupId>
-            <artifactId>gerrit-acceptance-framework</artifactId>
-            <version>${gerrit.version}</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.bouncycastle</groupId>
-            <artifactId>bcprov-jdk15on</artifactId>
-            <version>1.61</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>junit</groupId>
-            <artifactId>junit</artifactId>
-            <version>4.12</version>
-            <scope>test</scope>
-        </dependency>
-    </dependencies>
-
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.6.1</version>
-                <configuration>
-                    <source>1.8</source>
-                    <target>1.8</target>
-                    <annotationProcessorPaths>
-                        <path>
-                            <groupId>com.google.auto.value</groupId>
-                            <artifactId>auto-value</artifactId>
-                            <version>${auto-value.version}</version>
-                        </path>
-                    </annotationProcessorPaths>
-                </configuration>
-            </plugin>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-source-plugin</artifactId>
-                <version>3.1.0</version>
-                <executions>
-                    <execution>
-                        <id>attach-sources</id>
-                        <goals>
-                            <goal>jar</goal>
-                        </goals>
-                    </execution>
-                </executions>
-            </plugin>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-javadoc-plugin</artifactId>
-                <version>3.1.1</version>
-                <configuration>
-                    <!-- Workaround to https://bugs.openjdk.java.net/browse/JDK-8212233 -->
-                    <source>8</source>
-                </configuration>
-                <executions>
-                    <execution>
-                        <id>attach-javadocs</id>
-                        <goals>
-                            <goal>jar</goal>
-                        </goals>
-                    </execution>
-                </executions>
-            </plugin>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-release-plugin</artifactId>
-                <version>2.5.3</version>
-            </plugin>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-gpg-plugin</artifactId>
-                <version>1.6</version>
-                <executions>
-                    <execution>
-                        <id>sign-artifacts</id>
-                        <phase>verify</phase>
-                        <goals>
-                            <goal>sign</goal>
-                        </goals>
-                    </execution>
-                </executions>
-            </plugin>
-            <plugin>
-                <groupId>com.theoryinpractise</groupId>
-                <artifactId>googleformatter-maven-plugin</artifactId>
-                <version>1.7.3</version>
-                <executions>
-                    <execution>
-                        <id>reformat-sources</id>
-                        <configuration>
-                            <includeStale>false</includeStale>
-                            <style>GOOGLE</style>
-                            <formatMain>true</formatMain>
-                            <formatTest>true</formatTest>
-                            <filterModified>false</filterModified>
-                            <skip>false</skip>
-                            <fixImports>true</fixImports>
-                            <maxLineLength>100</maxLineLength>
-                        </configuration>
-                        <goals>
-                            <goal>format</goal>
-                        </goals>
-                        <phase>process-sources</phase>
-                    </execution>
-                </executions>
-            </plugin>
-        </plugins>
-    </build>
-
-    <distributionManagement>
-        <repository>
-            <id>sonatype-nexus-staging</id>
-            <name>Sonatype Nexus Staging</name>
-            <url>https://oss.sonatype.org/service/local/staging/deploy/maven2</url>
-        </repository>
-    </distributionManagement>
-</project>
-