services: optimize loop

No use to distinguish between "on" and "off"
each iteration when the resulting files with
differing names should end up identical.

features.in/services/install2/image-scripts.d/10-services

@@ -33,19 +33,11 @@ for i in $SERVICES; do
 	onoff="$(shell_config_get "$STATUS" "$i")"
 	[ -n "$onoff" ] || continue
 	echo "$i" >> /usr/share/install2/services-"$onoff"
-
-	# create systemd-specific hooks
-	case "$onoff" in
-		on)
-			action=enabled;;
-		off)
-			action=disabled;;
-		*)
-			continue;;
-	esac
-	echo "$i" >> /usr/share/install2/systemd-"$action"
 done
 
+cp -a /usr/share/install2/{services-on,systemd-enabled}
+cp -a /usr/share/install2/{services-off,systemd-disabled}
+
 rm "$STATUS"
 
 :