Remove Glance v1 APIs specific code

Below change removes the Glance v1 APIs tests
specific code from common.image.py file.

Glance V1 APIs test has been removed in
- https://review.opendev.org/c/openstack/tempest/+/890592

Change-Id: I0294cc29479ac16c1cb3d1a2d9abc7ea0148f02b
Signed-off-by: Ghanshyam Maan <gmaan.os14@gmail.com>
2 files changed