Remove uneeded <net/bpf.h> include which was never used as it was protected by #if NBPFILTER > 0 and "bpfilter.h" wasn't included.
Remove uneeded <net/bpf.h> include which was never used as it
was protected by #if NBPFILTER > 0 and "bpfilter.h" wasn't included.

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars