Remove setproctitle() for the parent process. Because rc.d(8) uses process

titles (including flags) to distinguish between daemons, this makes it
possible to manage multiple copies of a daemon using the normal infrastructure
by symlinking rc.d scripts to a new name. ok jung@ ajacoutot@,
missed in previous commit, problem reported by mxb/alumni/chalmers/se.

src/etc/rc.d/bgpd

@@ -1,13 +1,11 @@
 #!/bin/sh
 #
-# $OpenBSD: bgpd,v 1.2 2015/12/19 13:45:12 ajacoutot Exp $
+# $OpenBSD: bgpd,v 1.3 2016/02/07 20:56:48 sthen Exp $
 
 daemon="/usr/sbin/bgpd"
 
 . /etc/rc.d/rc.subr
 
-pexp="bgpd: parent.*"
-
 # child will not return a config parsing error to the parent
 rc_pre() {
 	${daemon} -n ${daemon_flags}