Stop outputting overcloudrc.v3 from workflow

This is no longer needed as we've ship keystone v3 by default for some
relaases now. overcloudrc has the same content.

Related-Bug: #1733640
Depends-On: I137e08213ef7f0f49510e2ebc905e351fb25b85a
Change-Id: Iaafef5b49802e1ea25f374014ebf8632ad0bcc31

releasenotes/notes/remove-overcloudrc.v3-2118c053035c1439.yaml

@@ -0,0 +1,6 @@
+---
+deprecations:
+  - |
+    overcloudrc.v3 is no longer generated from the overcloudrc workflow. This
+    is due to the fact that we've been shipping keystone v3 by default for some
+    releases now, and we have the same contents available in overcloudrc.

tripleo_common/actions/deployment.py

@@ -263,7 +263,7 @@ class DeployStackAction(templates.ProcessTemplatesAction):
 
 
 class OvercloudRcAction(base.TripleOAction):
-    """Generate the overcloudrc and overcloudrc.v3 for a plan
+    """Generate the overcloudrc for a plan
 
     Given the name of a container, generate the overcloudrc files needed to
     access the overcloud via the CLI.

tripleo_common/tests/utils/test_overcloudrc.py

@@ -38,16 +38,10 @@ class OvercloudRcTest(base.TestCase):
                                                 "regionTwo")
 
         self.assertIn("OS_PASSWORD=AdminPassword", result['overcloudrc'])
-        self.assertIn("OS_PASSWORD=AdminPassword", result['overcloudrc.v3'])
         self.assertIn("OS_IDENTITY_API_VERSION=3", result['overcloudrc'])
-        self.assertIn("OS_IDENTITY_API_VERSION=3", result['overcloudrc.v3'])
         self.assertIn(overcloudrc.CLOUDPROMPT, result['overcloudrc'])
-        self.assertIn(overcloudrc.CLOUDPROMPT, result['overcloudrc.v3'])
         self.assertIn("OS_AUTH_TYPE=password", result['overcloudrc'])
-        self.assertIn("OS_AUTH_TYPE=password", result['overcloudrc.v3'])
         self.assertIn("OS_AUTH_URL=http://foo.com:8000/",
                       result['overcloudrc'])
-        self.assertIn("OS_AUTH_URL=http://foo.com:8000/",
-                      result['overcloudrc.v3'])
         self.assertIn("OS_REGION_NAME=regionTwo",
                       result['overcloudrc'])

tripleo_common/utils/overcloudrc.py

@@ -115,5 +115,4 @@ def create_overcloudrc(stack, no_proxy, admin_password, region_name):
 
     return {
         "overcloudrc": overcloudrc,
-        "overcloudrc.v3": overcloudrc
     }