boards/arduino-nano-33-ble: Remove term-delay logic
boards/arduino-nano-33-ble: Remove term-delay logic

OlegHahm/RIOT,kYc0o/RIOT,authmillenon/RIOT,kaspar030/RIOT,miri64/RIOT,kYc0o/RIOT,OTAkeys/RIOT,kYc0o/RIOT,kaspar030/RIOT,authmillenon/RIOT,miri64/RIOT,RIOT-OS/RIOT,miri64/RIOT,kaspar030/RIOT,miri64/RIOT,jasonatran/RIOT,RIOT-OS/RIOT,miri64/RIOT,jasonatran/RIOT,authmillenon/RIOT,RIOT-OS/RIOT,OTAkeys/RIOT,kaspar030/RIOT,RIOT-OS/RIOT,OTAkeys/RIOT,ant9000/RIOT,kYc0o/RIOT,ant9000/RIOT,OTAkeys/RIOT,jasonatran/RIOT,jasonatran/RIOT,jasonatran/RIOT,OlegHahm/RIOT,OTAkeys/RIOT,ant9000/RIOT,kYc0o/RIOT,ant9000/RIOT,kaspar030/RIOT,authmillenon/RIOT,RIOT-OS/RIOT,OlegHahm/RIOT,OlegHahm/RIOT,ant9000/RIOT,authmillenon/RIOT,authmillenon/RIOT,OlegHahm/RIOT