[hotfix] Remove flink-metrics-ganglia from flink-dist/pom.xml

flink-dist/pom.xml

@@ -228,13 +228,6 @@ under the License.
 			<scope>provided</scope>
 		</dependency>
 
-		<dependency>
-			<groupId>org.apache.flink</groupId>
-			<artifactId>flink-metrics-ganglia</artifactId>
-			<version>${project.version}</version>
-			<scope>provided</scope>
-		</dependency>
-
 		<dependency>
 			<groupId>org.apache.flink</groupId>
 			<artifactId>flink-metrics-graphite</artifactId>