Add #stackforge-libra to gerritbot

This adds a new IRC channel, stackforge-libra, and removes the
stackforge-dev channel since it has been unused by any project,
except Libra, for a long time.

Change-Id: I134a06b707dc791a1eaa562f87b43890ea3020d5

modules/gerritbot/files/gerritbot_channel_config.yaml

@@ -57,17 +57,6 @@ openstack-doc:
     branches:
       - master
 
-stackforge-dev:
-    events:
-      - patchset-created
-      - change-merged
-      - x-vrif-minus-2
-    projects:
-      - stackforge/libra
-      - stackforge/python-libraclient
-    branches:
-      - master
-
 openstack-metering:
     events:
       - patchset-created
@@ -337,3 +326,14 @@ openstack-marconi:
       - openstack/python-marconiclient
     branches:
       - master
+
+stackforge-libra:
+    events:
+      - patchset-created
+      - change-merged
+      - x-vrif-minus-2
+    projects:
+      - stackforge/libra
+      - stackforge/python-libraclient
+    branches:
+      - master