Fix tdm-trinity not starting on Ubuntu due to Plymouth hang

Continually retry tdm start on Ubuntu
(cherry picked from commit bbf51c9c34)

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

@@ -16,6 +16,9 @@ start on ((filesystem
 
 stop on runlevel [016]
 
+respawn
+respawn limit unlimited
+
 emits login-session-start
 emits desktop-session-start
 emits desktop-shutdown
@@ -29,7 +32,7 @@ script
         # quit plymouth all the time. Note that sleeping appears necessary
         # as the VT freeing is somewhat delayed and TDM would otherwise go
         # to configured KVT+1 (if plymouth was using it).
-        $(plymouth --quit && plymouth --wait && sleep 1) || :
+        $(plymouth --quit && sleep 1) || :
         if [ "$RUNLEVEL" = S -o "$RUNLEVEL" = 1 ]
         then
             # Single-user mode