This reverts commit 4b3f5c8ed4.
4b3f5c8ed4
Fixes: https://github.com/espressif/arduino-esp32/issues/343
WiFi and BlueTooth can now be started and stopped at will. basic functions added to esp32-hal to start and stop the BT radio SimpleBLE class added to show the most basic functionality Example to show how to switch between BT, WiFi or Both