examples: removing includes for BT when lib BT is not used

Author: Jason2866

examples/arduino-blink/platformio.ini

@@ -42,8 +42,6 @@ lib_ignore              = wifi
                           spiffs
                           NetworkClientSecure
                           bt
-custom_sdkconfig        = '# CONFIG_BT_ENABLED is not set'
-                          CONFIG_BT_CONTROLLER_DISABLED=y
 custom_component_remove = espressif/esp_hosted
                           espressif/esp_wifi_remote
                           espressif/esp_modem