Removed NTP_SERVER1 from ntp setup.

2.Common_services/2.NTP/0_setup.py

@@ -10,7 +10,7 @@ def setup(interactive=True):
         'DEBIAN_FRONTEND=noninteractive apt-get install -y ntp',
         'echo "Replacing /etc/ntp.conf"',
         dict(line='write', template='%s/ntp.conf' % dir_path, target='/etc/ntp.conf', params=(
-            ('{{ NTP_SERVER }}', utils.get_conf('NTP_SERVER') or utils.get_conf('NTP_SERVER1') or 'ntp.ubuntu.com'),
+            ('{{ NTP_SERVER }}', utils.get_conf('NTP_SERVER') or 'ntp.ubuntu.com'),
         )),
         'service ntp restart',
     ]