Remove parsedMessages from messages array

These messages are only used in their parsed form, we never use
them in their raw wikitext form, so not point sending them to the
client.

Change-Id: Ied54d2b760fe1c15cd03df6d77052f6a5b920391
Move toolbar cancel message to VE specific message

Be consistent with all other button messages.

Change-Id: Icbab46aff210b79db59de688d539b8e69a13ec0d
Merge changes Icbab46af,Ied54d2b7

* changes:
  Move toolbar cancel message to VE specific message
  Remove parsedMessages from messages array