docs: don't use deprecated header for channelstream views

rhodecode/apps/channelstream/views.py

@@ -18,15 +18,6 b''
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
-"""
-Channel Stream controller for rhodecode
-
-:created_on: Oct 10, 2015
-:author: marcinl
-:copyright: (c) 2013-2015 RhodeCode GmbH.
-:license: Commercial License, see LICENSE for more details.
-"""
-
 import logging
 import uuid