prefer druid.curator.compress to druid.indexer.runner.compressZnodes

indexing-service/src/main/java/io/druid/indexing/overlord/RemoteTaskRunnerFactory.java

@@ -68,7 +68,7 @@ public class RemoteTaskRunnerFactory implements TaskRunnerFactory
         curator,
         new SimplePathChildrenCacheFactory
             .Builder()
-            .withCompressed(remoteTaskRunnerConfig.isCompressZnodes())
+            .withCompressed(true)
             .build(),
         httpClient,
         strategy

indexing-service/src/main/java/io/druid/indexing/overlord/config/RemoteTaskRunnerConfig.java

@@ -33,9 +33,6 @@ public class RemoteTaskRunnerConfig
   @NotNull
   private Period taskAssignmentTimeout = new Period("PT5M");
 
-  @JsonProperty
-  private boolean compressZnodes = false;
-
   @JsonProperty
   private String minWorkerVersion = "0";
 
@@ -48,11 +45,6 @@ public class RemoteTaskRunnerConfig
     return taskAssignmentTimeout;
   }
 
-  public boolean isCompressZnodes()
-  {
-    return compressZnodes;
-  }
-
   public String getMinWorkerVersion()
   {
     return minWorkerVersion;

indexing-service/src/test/java/io/druid/indexing/overlord/TestRemoteTaskRunnerConfig.java

@@ -26,12 +26,6 @@ import org.joda.time.Period;
  */
 public class TestRemoteTaskRunnerConfig extends RemoteTaskRunnerConfig
 {
-  @Override
-  public boolean isCompressZnodes()
-  {
-    return false;
-  }
-
   @Override
   public Period getTaskAssignmentTimeout()
   {