Fix 5a2030dd for namespace names in zh and yue (zh-yue)

* zh names are dropped to use fallback.
* zh-yue is renamed to yue, with talk namespace name added.

Change-Id: I9b0e0e5ab03a70bcbbc052ef4e6c753574e73e13
Merge "Fix 5a2030dd for namespace names in zh and yue (zh-yue)"