Rename tdm-trinity.service on Ubuntu to match name of tdm binary

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
(cherry picked from commit 55eba1f800)

ubuntu/maverick/tdebase/debian/tdm-trinity.install

@@ -1,4 +1,5 @@
 debian/local/tdm.options		etc/trinity/tdm/
+debian/tdm.service			lib/systemd/system/
 debian/tmp/etc/trinity/tdm/tdmrc
 debian/tmp/etc/trinity/tdm/Xaccess
 debian/tmp/etc/trinity/tdm/Xreset

ubuntu/maverick/tdebase/debian/tdm-trinity.postinst

@@ -49,7 +49,6 @@ DEFAULT_SERVICE=/etc/systemd/system/display-manager.service
 if [ "$1" = configure ] && [ -d /etc/systemd/system/ ]; then
   if [ -e "$DEFAULT_DISPLAY_MANAGER_FILE" ]; then
     SERVICE=/lib/systemd/system/$(basename $(cat "$DEFAULT_DISPLAY_MANAGER_FILE")).service
-    SERVICE=`echo "$SERVICE" | sed "s/tdm\./tdm-trinity./"`
     if [ -h "$DEFAULT_SERVICE" ] && [ $(readlink "$DEFAULT_SERVICE") = /dev/null ]; then
       echo "Display manager service is masked" >&2
     elif [ -e "$SERVICE" ]; then