sys-process/dcron: drop old /var/run pid file rename

Since the run dir is cleared all the time, we don't really need this.

sys-process/dcron/dcron-4.5-r1.ebuild

@@ -46,11 +46,3 @@ src_install() {
 	insinto /etc/logrotate.d
 	newins extra/crond.logrotate dcron
 }
-
-pkg_postinst() {
-	# upstream renamed their pid file
-	local src="${ROOT}/var/run/cron.pid" dst="${ROOT}/var/run/crond.pid"
-	if [ -e "${src}" -a ! -e "${dst}" ] ; then
-		cp "${src}" "${dst}"
-	fi
-}