init.d/sysfs: Do not load efivarfs module

My understanding is that the kernel can autoload this module. If it
doesn't, the module should be built in or loaded from an initramfs.

This fixes https://github.com/openrc/openrc/pulls/112.

init.d/sysfs.in

@@ -15,7 +15,7 @@ sysfs_opts=nodev,noexec,nosuid
 
 depend()
 {
-	want modules
+	use modules
 	keyword -docker -lxc -prefix -systemd-nspawn -vserver
 }
 
@@ -102,21 +102,14 @@ mount_misc()
 	# The presence of /sys/firmware/efi indicates that the system was
 	# booted in efi mode.
 	if [ -d /sys/firmware/efi ]; then
-		if [ ! -d /sys/firmware/efi/efivars ] &&
-			modprobe -q efivarfs; then
-			ewarn "The efivarfs module needs to be configured in " \
-				  "@SYSCONFDIR@/conf.d/modules or built in"
-		fi
 		if [ -d /sys/firmware/efi/efivars ] &&
 			! mountinfo -q /sys/firmware/efi/efivars; then
-			if grep -qs efivarfs /proc/filesystems; then
 			ebegin "Mounting efivarfs filesystem"
 			mount -n -t efivarfs -o ${sysfs_opts} \
 				efivarfs /sys/firmware/efi/efivars
 			eend $?
 		fi
 	fi
-	fi
 }
 
 mount_cgroups()