refactor: remove syncing

app/Policies/TerminalPolicy.php

@@ -65,18 +65,6 @@ class TerminalPolicy
         return $user->can('terminal.delete');
     }
 
-    /**
-     * 判断用户是否可以同步终端配置
-     *
-     * @param User $user
-     * @param Terminal $terminal
-     * @return bool
-     */
-    public function sync(User $user, Terminal $terminal): bool
-    {
-        return $user->can('terminal.sync');
-    }
-
     /**
      * 判断用户是否可以恢复已删除的终端
      *