[arch-releng] remove systemctl hack

[Christian Hesse]

Hello everybody,

systemctl has been fixed for chroot, so we can remove this little hack as
soon as systemd 195-1 enters [core].
-- 
main(a){char*c=/*    Schoene Gruesse                         */"B?IJj;MEH"
"CX:;",b;for(a/*    Chris           get my mail address:    */=0;b=c[a++];)
putchar(b-1/(/*               gcc -o sig sig.c && ./sig    */b/42*2-3)*42);}