Merge pull request #3111 from codersfarm/develop

[ISSUE #3110]Fix: remove useless code 

store/src/main/java/org/apache/rocketmq/store/SelectMappedBufferResult.java

@@ -48,13 +48,6 @@ public class SelectMappedBufferResult {
         this.byteBuffer.limit(this.size);
     }
 
-//    @Override
-//    protected void finalize() {
-//        if (this.mappedFile != null) {
-//            this.release();
-//        }
-//    }
-
     public synchronized void release() {
         if (this.mappedFile != null) {
             this.mappedFile.release();