refactor: do some internal refactor.

source/dnode/vnode/src/tq/tq.c

@@ -291,13 +291,6 @@ int32_t tqProcessOffsetCommitReq(STQ* pTq, int64_t sversion, char* msg, int32_t
     return -1;
   }
 
-  if (offset.val.type == TMQ_OFFSET__LOG) {
-    STqHandle* pHandle = taosHashGet(pTq->pHandle, offset.subKey, strlen(offset.subKey));
-    if (pHandle && (walRefVer(pHandle->pRef, offset.val.version) < 0)) {
-      return -1;
-    }
-  }
-
   return 0;
 }