Remove openstack collection from requirements

With the final use of the OpenStack collection being removed in this
patch, we can stop installing it.

https://issues.redhat.com/browse/OSPRH-7850

galaxy.yml

@@ -70,7 +70,6 @@ tags:
 # collection label 'namespace.name'. The value is a version range
 # L(specifiers,https://python-semanticversion.readthedocs.io/en/latest/#requirement-specification). Multiple version
 # range specifiers can be set and are separated by ','
-# todo(Lewis): Remove ansible-collections-openstack once application_credential.py is removed
 dependencies:
   'git+https://github.com/containers/ansible-podman-collections': 'master'
   'git+https://github.com/ansible-collections/community.general': 'main'
@@ -79,7 +78,6 @@ dependencies:
   'git+https://github.com/ansible-collections/community.libvirt': 'main'
   'git+https://github.com/ansible-collections/community.crypto': 'main'
   'git+https://github.com/ansible-collections/kubernetes.core': 'main'
-  'git+https://github.com/openstack/ansible-collections-openstack': 'master'
   'git+https://github.com/ansible-collections/ansible.netcommon': 'main'
   'git+https://github.com/openstack/ansible-config_template': 'master'
   'git+https://github.com/ansible-collections/junipernetworks.junos': 'main'

requirements.yml

@@ -14,7 +14,6 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
-# todo(Lewis): Remove ansible-collections-openstack once application_credential.py is removed
 collections:
   - name: https://github.com/ansible-collections/ansible.posix
     type: git
@@ -30,8 +29,6 @@ collections:
     type: git
   - name: https://github.com/ansible-collections/kubernetes.core
     type: git
-  - name: https://github.com/openstack/ansible-collections-openstack
-    type: git
   - name: https://github.com/ansible-collections/ansible.netcommon
     type: git
   - name: https://github.com/openstack/ansible-config_template