Cleans up test exclude list
Cleans up test exclude list

test_load_balancer_basic no longer exists.
test_rebuild_instance_with_volume no longer exists.
test_server_connectivity_resize and were already excluded.

test_resource_types, test_neutron_resources, test_server_multinode, test_simple_tenant_usage failures were not related to Hyper-V and have been fixed.
test_snapshot_pattern, test_shelve_instance are passing.
rbuzatu90/nova-ci,cloudbase/nova-ci,rbuzatu90/nova-ci,costingalan/nova-ci,costingalan/nova-ci,cloudbase/nova-ci