sys/ztimer/auto_init: use default configuration header
sys/ztimer/auto_init: use default configuration header

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