Removes redundant debug option
Removes redundant debug option

Debug option is already present in zaqar/openstack/common/log.py
under the "common_cli_opts" list.This patch removes the redundant
option in the websocket driver.

Change-Id: I04fb5724fdebf3179ef35a60739b5064a8634b24
Closes-Bug: #1429393

openstack/zaqar,openstack/zaqar,openstack/zaqar,openstack/zaqar