Drop the description of "plain-text" format
Drop the description of "plain-text" format

Change-Id: Ib1098ce4eb50bd6453ef51e4307ebe1c75e75ea6
Reviewed-on: http://review.couchbase.org/27809
Reviewed-by: Matt Ingenthron <1fa2ef4755a9226cb9a0a4840bd89b158ac71391@couchbase.com>
Reviewed-by: Sergey Avseyev <87f6d5e4fd3644c3c20800cde7fd3ad1569370b3@gmail.com>
Tested-by: Sergey Avseyev <87f6d5e4fd3644c3c20800cde7fd3ad1569370b3@gmail.com>

Playtika/CouchbaseMock,mnunberg/CouchbaseMock,Playtika/CouchbaseMock,mnunberg/CouchbaseMock,marwensaid/CouchbaseMock,couchbase/CouchbaseMock,couchbase/CouchbaseMock,marwensaid/CouchbaseMock