shell: limit taos_history file size

tools/shell/src/shellEngine.c

@@ -778,12 +778,6 @@ void shellReadHistory() {
 
 void shellWriteHistory() {
   SShellHistory *pHistory = &shell.history;
-  int64_t file_size;
-  if (taosStatFile(pHistory->file, &file_size, NULL) != 0) {
-    return;
-  } else if (file_size > SHELL_MAX_COMMAND_SIZE) {
-    taosRemoveFile(pHistory->file);
-  }
   TdFilePtr      pFile = taosOpenFile(pHistory->file, TD_FILE_CREATE | TD_FILE_WRITE | TD_FILE_STREAM | TD_FILE_APPEND);
   if (pFile == NULL) return;