Revert "We need to tell upstart to expect the logger fork"

This reverts commit 615c6bb95b.
Using "expect fork" results in hitting a bug causing some service
restarts to hang which in turn is preventing os-refresh-config
from completing.
https://bugs.launchpad.net/upstart/+bug/406397

Change-Id: Ib893b1428e3cac3084d07b4d98c9cb69d60bb3cf

elements/os-svc-install/bin/os-svc-daemon

@@ -134,9 +134,6 @@ respawn limit 2 5
 # We're logging to syslog
 console none
 
-# The pipe to logger introduces a fork, so we need to tell upstart
-expect fork
-
 exec start-stop-daemon --start -c $user --exec $install_dir/bin/$cmd -- $args 2>&1 | logger -t $name
 
 post-start $POSTSTART