boards/nrf52: cleanup global dependency file
boards/nrf52: cleanup global dependency file

toonst/RIOT,toonst/RIOT,authmillenon/RIOT,kYc0o/RIOT,OTAkeys/RIOT,kaspar030/RIOT,RIOT-OS/RIOT,OlegHahm/RIOT,josephnoir/RIOT,RIOT-OS/RIOT,OTAkeys/RIOT,kYc0o/RIOT,yogo1212/RIOT,kaspar030/RIOT,basilfx/RIOT,authmillenon/RIOT,kYc0o/RIOT,mtausig/RIOT,jasonatran/RIOT,jasonatran/RIOT,kaspar030/RIOT,basilfx/RIOT,ant9000/RIOT,basilfx/RIOT,josephnoir/RIOT,ant9000/RIOT,mtausig/RIOT,miri64/RIOT,toonst/RIOT,toonst/RIOT,yogo1212/RIOT,aeneby/RIOT,yogo1212/RIOT,OTAkeys/RIOT,ant9000/RIOT,josephnoir/RIOT,OTAkeys/RIOT,OlegHahm/RIOT,aeneby/RIOT,ant9000/RIOT,OlegHahm/RIOT,x3ro/RIOT,authmillenon/RIOT,yogo1212/RIOT,kaspar030/RIOT,kaspar030/RIOT,smlng/RIOT,OTAkeys/RIOT,yogo1212/RIOT,basilfx/RIOT,smlng/RIOT,smlng/RIOT,OlegHahm/RIOT,x3ro/RIOT,kYc0o/RIOT,josephnoir/RIOT,basilfx/RIOT,miri64/RIOT,jasonatran/RIOT,toonst/RIOT,authmillenon/RIOT,miri64/RIOT,aeneby/RIOT,OlegHahm/RIOT,x3ro/RIOT,RIOT-OS/RIOT,x3ro/RIOT,jasonatran/RIOT,aeneby/RIOT,smlng/RIOT,kYc0o/RIOT,smlng/RIOT,mtausig/RIOT,aeneby/RIOT,ant9000/RIOT,mtausig/RIOT,mtausig/RIOT,x3ro/RIOT,yogo1212/RIOT,authmillenon/RIOT,miri64/RIOT,RIOT-OS/RIOT,RIOT-OS/RIOT,miri64/RIOT,authmillenon/RIOT,jasonatran/RIOT,josephnoir/RIOT