Remove frugalware display-manager.service

Frugalware are shipping their own .service file now, so stop shipping
it here.

This effectively reverts 196e3fa74a

Makefile.am

@@ -422,11 +422,6 @@ systemgenerator_PROGRAMS += \
 	systemd-rc-local-generator
 endif
 
-if TARGET_FRUGALWARE
-dist_systemunit_DATA += \
-	units/frugalware/display-manager.service
-endif
-
 if TARGET_SUSE
 dist_systemunit_DATA += \
 	units/suse/rc-local.service \

units/frugalware/display-manager.service

@@ -1,16 +0,0 @@
-#  This file is part of systemd.
-#
-#  systemd is free software; you can redistribute it and/or modify it
-#  under the terms of the GNU Lesser General Public License as published by
-#  the Free Software Foundation; either version 2.1 of the License, or
-#  (at your option) any later version.
-
-[Unit]
-Description=Display Manager
-After=local.service systemd-user-sessions.service
-
-[Service]
-EnvironmentFile=/etc/sysconfig/desktop
-ExecStart=/bin/bash -c "exec ${desktop}"
-Restart=always
-RestartSec=0