Revert "Add zuul-cloner-test environment"
Revert "Add zuul-cloner-test environment"

Testing was done successfully.

This reverts commit d50faa7acdb3dd91194122ebfe21df5e9809144c.

Change-Id: Ifa339785f1e9d73ee45ffb91faad90f5db2d4143

openstack/openstack-manuals,openstack/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals,openstack/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals,openstack/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals