tests/servo: remove redundant periph_pwm dep
tests/servo: remove redundant periph_pwm dep

yogo1212/RIOT,kYc0o/RIOT,ant9000/RIOT,cladmi/RIOT,avmelnikoff/RIOT,x3ro/RIOT,lazytech-org/RIOT,A-Paul/RIOT,BytesGalore/RIOT,x3ro/RIOT,toonst/RIOT,authmillenon/RIOT,neiljay/RIOT,kYc0o/RIOT,gebart/RIOT,lazytech-org/RIOT,smlng/RIOT,basilfx/RIOT,A-Paul/RIOT,kbumsik/RIOT,rfuentess/RIOT,RIOT-OS/RIOT,OlegHahm/RIOT,gebart/RIOT,neiljay/RIOT,lazytech-org/RIOT,BytesGalore/RIOT,cladmi/RIOT,toonst/RIOT,avmelnikoff/RIOT,RIOT-OS/RIOT,mfrey/RIOT,neiljay/RIOT,aeneby/RIOT,gebart/RIOT,authmillenon/RIOT,aeneby/RIOT,kYc0o/RIOT,yogo1212/RIOT,OlegHahm/RIOT,basilfx/RIOT,jasonatran/RIOT,jasonatran/RIOT,josephnoir/RIOT,rfuentess/RIOT,BytesGalore/RIOT,josephnoir/RIOT,basilfx/RIOT,RIOT-OS/RIOT,neiljay/RIOT,gebart/RIOT,OlegHahm/RIOT,mfrey/RIOT,ant9000/RIOT,biboc/RIOT,OTAkeys/RIOT,A-Paul/RIOT,basilfx/RIOT,toonst/RIOT,smlng/RIOT,miri64/RIOT,cladmi/RIOT,authmillenon/RIOT,kbumsik/RIOT,avmelnikoff/RIOT,RIOT-OS/RIOT,rfuentess/RIOT,A-Paul/RIOT,miri64/RIOT,mtausig/RIOT,x3ro/RIOT,BytesGalore/RIOT,kaspar030/RIOT,rfuentess/RIOT,toonst/RIOT,authmillenon/RIOT,jasonatran/RIOT,aeneby/RIOT,A-Paul/RIOT,yogo1212/RIOT,josephnoir/RIOT,biboc/RIOT,kbumsik/RIOT,mfrey/RIOT,smlng/RIOT,OlegHahm/RIOT,mfrey/RIOT,cladmi/RIOT,kbumsik/RIOT,mtausig/RIOT,kaspar030/RIOT,miri64/RIOT,josephnoir/RIOT,aeneby/RIOT,kaspar030/RIOT,rfuentess/RIOT,mtausig/RIOT,OTAkeys/RIOT,OTAkeys/RIOT,smlng/RIOT,miri64/RIOT,BytesGalore/RIOT,avmelnikoff/RIOT,avmelnikoff/RIOT,x3ro/RIOT,OTAkeys/RIOT,kaspar030/RIOT,lazytech-org/RIOT,yogo1212/RIOT,kYc0o/RIOT,mtausig/RIOT,authmillenon/RIOT,biboc/RIOT,RIOT-OS/RIOT,kbumsik/RIOT,yogo1212/RIOT,ant9000/RIOT,miri64/RIOT,biboc/RIOT,aeneby/RIOT,basilfx/RIOT,gebart/RIOT,kaspar030/RIOT,jasonatran/RIOT,josephnoir/RIOT,jasonatran/RIOT,x3ro/RIOT,cladmi/RIOT,biboc/RIOT,lazytech-org/RIOT,mtausig/RIOT,ant9000/RIOT,ant9000/RIOT,yogo1212/RIOT,mfrey/RIOT,OlegHahm/RIOT,smlng/RIOT,toonst/RIOT,neiljay/RIOT,kYc0o/RIOT,OTAkeys/RIOT,authmillenon/RIOT