Removed unused flannel iface grain
This is a followup to
@@ -99,7 +99,6 @@ etcd:
flannel:
backend: 'udp'
etcd_key: '/flannel/network'
- iface: 'eth0'
# log level for flanneld service
# 0 - Generally useful for this to ALWAYS be visible to an operator.
# 1 - A reasonable default log level if you don't want verbosity.
