Remove timeutils from openstack-common.conf
Remove timeutils from openstack-common.conf

No code uses the timeutils module

Change-Id: Ic3da956d0590a545a3a25777c3eee1ef3a868d5b

citrix-openstack-build/python-saharaclient,citrix-openstack-build/python-saharaclient,citrix-openstack-build/python-saharaclient,openstack/python-saharaclient