Update compute-v2.1 xml:id to not include ext
Update compute-v2.1 xml:id to not include ext

This is that this isn't technically an extension API and only extension
APIs should have the -ext suffix

Change-Id: I3bbe9b2f678bc3724f248cbe23e79a6951646316

Tesora/tesora-api-site,Tesora/tesora-api-site,Tesora/tesora-api-site,dreamhost/api-site,Tesora/tesora-api-site,Tesora/tesora-api-site,dreamhost/api-site,openstack/api-site,openstack/api-site,openstack/api-site,dreamhost/api-site,Tesora/tesora-api-site,dreamhost/api-site,Tesora/tesora-api-site,dreamhost/api-site,dreamhost/api-site,dreamhost/api-site,openstack/api-site