feat(tsdb): some delete code no del

src/vnode/inc/vnodeInt.h

@@ -75,7 +75,6 @@ typedef struct {
   tsem_t   sem;
   char     db[TSDB_ACCT_ID_LEN + TSDB_DB_NAME_LEN];
   pthread_mutex_t statusMutex;
-  void *   tqueue; // async threads queue
   // thread for wait deal result to response client
   SList *  waitThreads;
   tsem_t   semWait;

src/vnode/src/vnodeMain.c

@@ -490,10 +490,6 @@ int32_t vnodeClose(int32_t vgId) {
 
   pVnode->preClose = 1;
 
-  // wait result threads need deal
-  if(pVnode->tqueue)
-    freeWaitThread(pVnode);
-
   vDebug("vgId:%d, vnode will be closed, pVnode:%p", pVnode->vgId, pVnode);
   vnodeRelease(pVnode);
   vnodeCleanUp(pVnode);