wifi deinit: update esp_wifi_deinit()

1. move ets_timer_deinit() to wifi_deinit()

2. delete wifi api mutex when wifi deinit

components/esp32/include/esp_wifi.h

@@ -164,7 +164,6 @@ esp_err_t esp_wifi_init(wifi_init_config_t *config);
   *         Free all resource allocated in esp_wifi_init and stop WiFi task
   *
   * @attention 1. This API should be called if you want to remove WiFi driver from the system
-  * @attention 2. This API can not be called yet and will be done in the future.
   *
   * @return ESP_OK: succeed
   */

components/esp32/lib

@@ -1 +1 @@
-Subproject commit e8743355806ed3671f7b0ef8bac1ea63909daaf3
+Subproject commit ffe5a4c14fe9c933c776fadc62fa9d409929e6f9