cleanup neutron_per-tenant-routers-with-private-networks

added the before operating system
removed plural for operating system
added the before operating system
added the before floating IP
added the before external network
added the before floating IP
removed extra the and added the

Change-Id: I8ff2f20ef3db982c57aa9f5e40ce3e301f89c089
cleanup section_neutron-provider-router-with-private_networks

added to before the public network
occur doesn't need to be plural
added open parenthesis, it was missing

Change-Id: I96b93cca962cfbce93741c25c29ee71e5ca5e09d
Merge "cleanup section_neutron-provider-router-with-private_networks"
Merge "cleanup neutron_per-tenant-routers-with-private-networks"