delete destroy

rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/transform/TbRenameKeysNode.java

@@ -94,8 +94,4 @@ public class TbRenameKeysNode implements TbNode {
             ctx.tellSuccess(msg);
         }
     }
-
-    @Override
-    public void destroy() {
-    }
 }