'Remove a user from an issue\'s watch list.
:param issue: ID or key of the issue affected
:param watcher: username of the user to remove from the watchers list'

@translate_resource_args
def remove_watcher(self, issue, watcher):

    url = self._get_url(((u'issue/' + str(issue)) + u'/watchers'))
    params = {u'username': watcher}
    result = self._session.delete(url, params=params)
    return result
