Updated openstack/openstack
Project: openstack/requirements  3611a35c6a3ea4e97e7e162f7e80ca2288054a08

Remove amqplib from global-requirements

amqplib is not used directly by OpenStack, but only via
kombu. Newer kombu versions use amqp by default, so
any dependency on amqplib is obsolete and can be removed.

Change-Id: I58da17d05cb29e320d8956c9d03a66722beedea1