Remove unused single file metadata

java/build.xml

@@ -45,21 +45,6 @@
     </exec>
   </target>
 
-  <target name="build-single-file-phone-metadata">
-    <exec executable="java">
-      <arg value="-jar" />
-      <arg value="${build.tools.jar}"/>
-      <arg value="BuildMetadataProtoFromXml"/>
-      <arg value="--input-file=${resources.dir}/PhoneNumberMetadata.xml"/>
-      <arg value="--output-dir=${libphonenumber.src.dir}/com/google/i18n/phonenumbers"/>
-      <arg value="--data-prefix=data/SingleFilePhoneNumberMetadataProto"/>
-      <arg value="--single-file=true"/>
-      <arg value="--mapping-class=CountryCodeToRegionCodeMap"/>
-      <arg value="--copyright=2010"/>
-      <arg value="--lite-build=false"/>
-    </exec>
-  </target>
-
   <target name="build-short-metadata">
     <exec executable="java">
       <arg value="-jar" />

java/libphonenumber/pom.xml

@@ -29,16 +29,6 @@
       </testResource>
     </testResources>
     <plugins>
-      <plugin>
-        <artifactId>maven-jar-plugin</artifactId>
-        <version>2.2</version>
-        <configuration>
-          <excludes>
-            <exclude>com/google/i18n/phonenumbers/SingleFileMetadataSourceImpl.class</exclude>
-            <exclude>com/google/i18n/phonenumbers/data/SingleFilePhoneNumberMetadataProto</exclude>
-          </excludes>
-        </configuration>
-      </plugin>
       <plugin>
         <artifactId>maven-shade-plugin</artifactId>
         <version>2.4.2</version>