Remove unnecessary checkyesno which I commited before.

${rcvar}_start is skipped if rcvar is not set to YES.
Pointed out by joerg@ and tsutsui@.
Should be pulled up to netbsd-6.

etc/rc.d/makemandb

@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# $NetBSD: makemandb,v 1.2 2012/06/12 02:25:29 isaki Exp $
+# $NetBSD: makemandb,v 1.3 2012/06/17 02:13:13 isaki Exp $
 #
 
 # PROVIDE: makemandb
@@ -17,10 +17,8 @@ stop_cmd=":"
 
 makemandb_start()
 {
-	if checkyesno $rcvar; then
-		# Initiate update build in the background
-		nice -n 5 /usr/sbin/makemandb -q > /dev/null 2>&1 &
-	fi
+	# Initiate update build in the background
+	nice -n 5 /usr/sbin/makemandb -q > /dev/null 2>&1 &
 }
 
 load_rc_config $name