Revert remote publication method renaming in DiscoveryNode (#16250)

Signed-off-by: Sooraj Sinha <soosinha@amazon.com>

Author: soosinha

server/src/main/java/org/opensearch/cluster/coordination/CoordinationState.java

@@ -108,7 +108,7 @@ public CoordinationState(
         // ToDo: revisit this check while making the setting dynamic
         this.isRemotePublicationEnabled = isRemoteStateEnabled
             && REMOTE_PUBLICATION_SETTING.get(settings)
-            && localNode.isRemoteStatePublicationConfigured();
+            && localNode.isRemoteStatePublicationEnabled();
     }
 
     public boolean isRemotePublicationEnabled() {

server/src/main/java/org/opensearch/cluster/coordination/JoinTaskExecutor.java

@@ -574,10 +574,10 @@ private static void ensureRemoteClusterStateNodesCompatibility(DiscoveryNode joi
 
         assert existingNodes.isEmpty() == false;
         Optional<DiscoveryNode> remotePublicationNode = existingNodes.stream()
-            .filter(DiscoveryNode::isRemoteStatePublicationConfigured)
+            .filter(DiscoveryNode::isRemoteStatePublicationEnabled)
             .findFirst();
 
-        if (remotePublicationNode.isPresent() && joiningNode.isRemoteStatePublicationConfigured()) {
+        if (remotePublicationNode.isPresent() && joiningNode.isRemoteStatePublicationEnabled()) {
             ensureRepositoryCompatibility(joiningNode, remotePublicationNode.get(), REMOTE_CLUSTER_PUBLICATION_REPO_NAME_ATTRIBUTES);
         }
     }

server/src/main/java/org/opensearch/cluster/coordination/PublicationTransportHandler.java

@@ -370,7 +370,7 @@ private boolean validateRemotePublicationConfiguredOnAllNodes(DiscoveryNodes dis
         assert ClusterMetadataManifest.getCodecForVersion(discoveryNodes.getMinNodeVersion()) >= ClusterMetadataManifest.CODEC_V0;
         for (DiscoveryNode node : discoveryNodes.getNodes().values()) {
             // if a node is non-remote then created local publication context
-            if (node.isRemoteStatePublicationConfigured() == false) {
+            if (node.isRemoteStatePublicationEnabled() == false) {
                 return false;
             }
         }

server/src/main/java/org/opensearch/cluster/node/DiscoveryNode.java

@@ -563,7 +563,7 @@ public boolean isRemoteStoreNode() {
      * Returns whether settings required for remote cluster state publication is configured
      * @return true if the node contains remote cluster state node attribute and remote routing table node attribute
      */
-    public boolean isRemoteStatePublicationConfigured() {
+    public boolean isRemoteStatePublicationEnabled() {
         return this.getAttributes()
             .keySet()
             .stream()