remove duplicate change in protoobjects

Author: shijiesheng

src/test/java/com/uber/cadence/internal/compatibility/ProtoObjects.java

@@ -1176,8 +1176,6 @@ public final class ProtoObjects {
           .setActiveClusterName("activeCluster")
           .setDeleteBadBinary("deleteBadBinary")
           .setFailoverTimeout(seconds(1))
-          .setActiveClusterName("activeCluster")
-          .addAllClusters(ImmutableList.of(CLUSTER_REPLICATION_CONFIGURATION))
           .setUpdateMask(
               FieldMask.newBuilder()
                   .addPaths("description")