Revert "Zigbee support take1"

This reverts commit 0c09f10.

Author: ilcato

boards.txt

@@ -1090,42 +1090,3 @@ SeeedArchLink.menu.softdevice.s130.upload.maximum_size=151552
 SeeedArchLink.menu.softdevice.s130.build.extra_flags=-DNRF51 -DS130 -DNRF51_S130
 SeeedArchLink.menu.softdevice.s130.build.ldscript=armgcc_s130_nrf51822_xxaa.ld
 
-Arduino_nano_33_BLE.name=Arduino Nano 33 BLE
-
-Arduino_nano_33_BLE.upload.tool=bossac
-Arduino_nano_33_BLE.upload.protocol=
-Arduino_nano_33_BLE.upload.use_1200bps_touch=true
-Arduino_nano_33_BLE.upload.wait_for_upload_port=true
-Arduino_nano_33_BLE.upload.native_usb=true
-Arduino_nano_33_BLE.upload.maximum_size=983040
-Arduino_nano_33_BLE.upload.maximum_data_size=262144
-
-Arduino_nano_33_BLE.bootloader.tool=sandeepmistry:openocd
-
-Arduino_nano_33_BLE.build.mcu=cortex-m4
-Arduino_nano_33_BLE.build.f_cpu=16000000
-Arduino_nano_33_BLE.build.board=GENERIC
-Arduino_nano_33_BLE.build.core=nRF5
-Arduino_nano_33_BLE.build.variant=ArduinoNano33BLE
-Arduino_nano_33_BLE.build.variant_system_lib=
-Arduino_nano_33_BLE.build.extra_flags=-DNRF52840_XXAA 
-Arduino_nano_33_BLE.build.float_flags=-mfloat-abi=hard -mfpu=fpv4-sp-d16
-Arduino_nano_33_BLE.build.ldscript=nrf52840_xxaa.ld
-
-Arduino_nano_33_BLE.menu.softdevice.none=None
-Arduino_nano_33_BLE.menu.softdevice.none.softdevice=none
-Arduino_nano_33_BLE.menu.softdevice.none.softdeviceversion=
-
-Arduino_nano_33_BLE.menu.softdevice.s132=S132
-Arduino_nano_33_BLE.menu.softdevice.s132.softdevice=s132
-Arduino_nano_33_BLE.menu.softdevice.s132.softdeviceversion=2.0.1
-Arduino_nano_33_BLE.menu.softdevice.s132.upload.maximum_size=409600
-Arduino_nano_33_BLE.menu.softdevice.s132.build.extra_flags=-DNRF52 -DS132 -DNRF51_S132
-Arduino_nano_33_BLE.menu.softdevice.s132.build.ldscript=armgcc_s132_nrf52832_xxaa.ld
-
-Arduino_nano_33_BLE.menu.lfclk.lfxo=Crystal Oscillator
-Arduino_nano_33_BLE.menu.lfclk.lfxo.build.lfclk_flags=-DUSE_LFXO
-Arduino_nano_33_BLE.menu.lfclk.lfrc=RC Oscillator
-Arduino_nano_33_BLE.menu.lfclk.lfrc.build.lfclk_flags=-DUSE_LFRC
-Arduino_nano_33_BLE.menu.lfclk.lfsynt=Synthesized
-Arduino_nano_33_BLE.menu.lfclk.lfsynt.build.lfclk_flags=-DUSE_LFSYNT