CI: Revert temporary fixes for aodh and ceilometer
CI: Revert temporary fixes for aodh and ceilometer

This patch reverts the temporary CI fixes for issues of
python-aodhclient and ceilometer in the patch [1] and [2].

[1] https://review.opendev.org/c/openstack/tacker/+/819554
[2] https://review.opendev.org/c/openstack/tacker/+/851478

Signed-off-by: Ayumu Ueha <1786f955fbf7b48d5b2b183b7d05fa34c6b72a5a@fujitsu.com>
Change-Id: I878eec30cc6d7de23b247cacc9dbad0124bacef0

openstack/tacker,openstack/tacker,openstack/tacker