Remove version string from setup.cfg
Remove version string from setup.cfg

Pypi jobs take care of setting up the version number based on the tag
name.

Change-Id: I56778033497318d54b90c3e43e02933e3c2a0720

jamielennox/glance_store,cpallares/glance_store,hmakkapati/glance_store,redhat-openstack/glance_store,jamielennox/glance_store,saeki-masaki/glance_store,saeki-masaki/glance_store,openstack/glance_store,hmakkapati/glance_store,cpallares/glance_store,redhat-openstack/glance_store,openstack/glance_store