Remove outdated sed. Fixes #346

Starting apps on daemon start has been handed by the upstart 'dokku-redeploy' script for a while. (Also, the format of /etc/init/docker.conf changed and rendered the sed useless.)

plugins/00_dokku-standard/install

@@ -1,8 +1,6 @@
 #!/usr/bin/env bash
 set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
 
-sed -i 's/docker -d$/docker -d -r=true/' /etc/init/docker.conf
-
 if [[ ! -f  "$DOKKU_ROOT/HOSTNAME" ]]; then
     echo $(hostname -f) > $DOKKU_ROOT/HOSTNAME
 fi