fix: memory leak in tconfig.c in client

source/client/src/clientMain.c

@@ -71,6 +71,7 @@ void taos_cleanup(void) {
   schedulerDestroy();
 
   tscInfo("all local resources released");
+  taosCleanupCfg();
   taosCloseLog();
 }
 

tools/shell/src/shellEngine.c

@@ -91,11 +91,6 @@ TAOS *shellInit(SShellArguments *_args) {
     _args->user = TSDB_DEFAULT_USER;
   }
 
-  SConfig *pCfg = cfgInit();
-  if (NULL == pCfg) return NULL;
-
-  if (0 != taosAddClientLogCfg(pCfg)) return NULL;
-
   // Connect to the database.
   TAOS *con = NULL;
   if (_args->auth == NULL) {