Update catalog-info file for release data (#570)

catalog-info.yaml

@@ -17,6 +17,7 @@ metadata:
     openedx.org/arch-interest-groups: ""
     # This can be multiple comma-separated projects.
     openedx.org/add-to-projects: "openedx:23"
+    openedx.org/release: "master"
 spec:
   type: 'service'
   lifecycle: 'production'

openedx.yaml

@@ -1,9 +0,0 @@
-# This file describes this Open edX repo, as described in OEP-2:
-# http://open-edx-proposals.readthedocs.io/en/latest/oeps/oep-0002.html#specification
-
-tags:
-  - frontend-app
-  - masters
-oeps:
-  oep-2: true    # Repository metadata
-openedx-release: {ref: master}