Delete the rootwrap.d filters

Delete the rootwrap.d filters templates and use the config provided by
openstack upstream packages.

Change-Id: I41edf128b5905bb74571eec106fe34f046af628f
Changed nova-network install condition

openstack-network::server does not modify a node if
node['openstack']['compute']['network']['service_type'] is 'nova'.

Change check to use service_type attribute instead of server recipe so
that nova-network can be installed when using allinone-compute.

Change-Id: Iab969b30767d1d47fd5b55e805593a8d8548f0e9
Closes-Bug: #1267411
Merge "Delete the rootwrap.d filters"
Merge "Changed nova-network install condition"