Adapt changes in AcknowledgeResponse

Relates #30983

Author: dnhatn

x-pack/plugin/ccr/src/main/java/org/elasticsearch/xpack/ccr/action/FollowIndexAction.java

@@ -143,18 +143,6 @@ public static class Response extends AcknowledgedResponse {
         Response(boolean acknowledged) {
             super(acknowledged);
         }
-
-        @Override
-        public void readFrom(StreamInput in) throws IOException {
-            super.readFrom(in);
-            readAcknowledged(in);
-        }
-
-        @Override
-        public void writeTo(StreamOutput out) throws IOException {
-            super.writeTo(out);
-            writeAcknowledged(out);
-        }
     }
 
     public static class TransportAction extends HandledTransportAction<Request, Response> {

x-pack/plugin/ccr/src/main/java/org/elasticsearch/xpack/ccr/action/UnfollowIndexAction.java

@@ -83,19 +83,6 @@ public static class Response extends AcknowledgedResponse {
 
         Response() {
         }
-
-        @Override
-        public void readFrom(StreamInput in) throws IOException {
-            super.readFrom(in);
-            readAcknowledged(in);
-        }
-
-        @Override
-        public void writeTo(StreamOutput out) throws IOException {
-            super.writeTo(out);
-            writeAcknowledged(out);
-        }
-
     }
 
     public static class RequestBuilder extends ActionRequestBuilder<Request, Response> {