[TD-6167]<fix> fix memory leak

src/client/src/tscSql.c

@@ -586,7 +586,7 @@ static bool tscKillQueryInDnode(SSqlObj* pSql) {
     tscBuildAndSendRequest(pSql, NULL);
     return false;
   }
-  tscFreeRegisteredSqlObj
+
   return true;
 }