Remove nodiscover file from bootstrap

It is not used anymore during bootstrap boot phase to syncronize mcollective
service startup.

Change-Id: I4997e3cb8aa57f9ffac22f8d7c01de8447b640be
Partial-Bug: #1585671
Depends-On: Ic8e31d6381d8ffb8f7fdfd1aa8ebc655bb4535ec
(cherry picked from commit fe2a888abd)

contrib/fuel_bootstrap/files/trusty/etc/rc.local

@@ -5,6 +5,3 @@ multipath-reload || true
 
 # Perform fuel bootstrap configuration
 fix-configs-on-startup || true
-
-# Unlocking nailgun-agent for discovering
-rm -f /etc/nailgun-agent/nodiscover

contrib/fuel_bootstrap/files/xenial/usr/bin/fix-configs-on-startup

@@ -64,7 +64,6 @@ systemctl restart ntp
 sed -i "s/^plugin.rabbitmq.pool.1.host\b.*$/plugin.rabbitmq.pool.1.host = $masternode_ip/" /etc/mcollective/server.cfg
 sed -i "s/^plugin.rabbitmq.pool.1.user\b.*$/plugin.rabbitmq.pool.1.user = $mco_user/" /etc/mcollective/server.cfg
 sed -i "s/^plugin.rabbitmq.pool.1.password\b.*$/plugin.rabbitmq.pool.1.password= $mco_pass/" /etc/mcollective/server.cfg
-rm -f /etc/nailgun-agent/nodiscover # this will be removed as soon as new nailgun agent is committed
 while true; do
     sleep 5
     grep --line-regexp "[[:digit:]]\+" /etc/nailgun_uid && break