This moves the api wg notifications to -sdk

Per the email conversation, it seems like deprecating the -api channel
and using -sdk is the right path forward. This moves the notifications
that were happening on -api to -sdk.

Change-Id: I8eeea2cd023a7de70ee2b7f09e91a8f663b6b7e5

gerritbot/channels.yaml

@@ -246,16 +246,6 @@ openstack-anvil:
   branches:
     - master
 
-openstack-api:
-  events:
-    - patchset-created
-    - change-merged
-    - x-vrif-minus-2
-  projects:
-    - openstack/api-wg
-  branches:
-    - master
-
 openstack-app-catalog:
   events:
     - patchset-created
@@ -1402,6 +1392,7 @@ openstack-sdks:
     - patchset-created
     - change-merged
   projects:
+    - openstack/api-wg
     - openstack/cliff
     - openstack/golang-client
     - openstack/keystoneauth