Run os-config-applier using os-refresh-config.

There's no need to run os-config-applier at any time except when
os-refresh-config is in its configure state.

Change-Id: Id9758294c60469a976b61c68fc26d9b83130599a

elements/os-config-applier/element-deps

@@ -0,0 +1 @@
+os-refresh-config

elements/os-config-applier/install.d/10-os-config-applier

@@ -6,27 +6,3 @@ pip install -U git+https://github.com/stackforge/os-config-applier.git
 
 TEMPLATE_ROOT=$(os-config-applier --print-templates)
 mkdir -p $TEMPLATE_ROOT
-
-# Upstart
-if [ -d /etc/init ] ; then
-    cat > /etc/init/os-config-applier.conf <<eof
-start on runlevel [2345]
-task
-exec os-config-applier
-eof
-# Systemd
-elif [ -d /etc/systemd/system ] ; then
-    cat > /etc/systemd/system/os-config-applier.service <<eof
-[Unit]
-Description=Apply configs from Heat metadata
-
-[Service]
-ExecStart=os-config-applier
-
-[Install]
-WantedBy=multi-user.target
-eof
-else
-    echo "Only systems with systemd or upstart are supported."
-    exit 1
-fi

elements/os-config-applier/os-refresh-config/configure.d/50-os-config-applier

@@ -0,0 +1,2 @@
+#!/bin/bash
+exec os-config-applier -s OpenStack::Config