Undeprecate the vmwareapi driver

* 3pp CI is stable and produces results comparable to other nova 3pp
  CIs [1]
* Yingji Sun seems to be actively maintaining the machinery (see
  comments in [2])

[1] http://ciwatch.mmedvede.net/project?project=nova&time=7+days
[2] https://review.opendev.org/#/c/734114

Change-Id: Id61118f9374dcb51b8450b35c92950fb313df5a2

nova/virt/vmwareapi/driver.py

@@ -202,13 +202,6 @@ class VMwareVCDriver(driver.ComputeDriver):
                 self._datastore_regex = None
 
     def init_host(self, host):
-        LOG.warning('The vmwareapi driver is deprecated and may be removed in '
-                    'a future release. The driver is not tested by the '
-                    'OpenStack project nor does it have clear maintainer(s) '
-                    'and thus its quality can not be ensured. If you are '
-                    'using the driver in production please let us know in '
-                    'freenode IRC and/or the openstack-discuss mailing list.')
-
         vim = self._session.vim
         if vim is None:
             self._session._create_session()

releasenotes/notes/undeprecate-vmware-victoria-2eaf5d877733f8d9.yaml

@@ -0,0 +1,6 @@
+---
+deprecations:
+  - |
+    The vmwareapi driver was deprecated in Ussuri due to missing 3pp CI
+    coverage and a clear maintainer. These issues have been addressed
+    during the Victoria cycle and the driver is now undeprecated.