Revert to installing Docker SDK with upper constraints

docker 5.0.2 is now allowed in requirements upper constraints [1].

[1] https://review.opendev.org/c/openstack/requirements/+/811522

Change-Id: I114fbb8893817b271e330de92281c9a22d70b5da

ansible/kolla-target-venv.yml

@@ -49,10 +49,7 @@
             name: docker
             state: latest
             virtualenv: "{{ kolla_ansible_target_venv }}"
-            # FIXME(mgoddard): docker 5.0.1 is currently in master
-            # upper-constraints, but fails with an unexpected keyword argument,
-            # 'disable_buffering'. Install it without UC for now.
-            # extra_args: "{% if kolla_upper_constraints_file %}-c {{ kolla_upper_constraints_file }}{% endif %}"
+            extra_args: "{% if kolla_upper_constraints_file %}-c {{ kolla_upper_constraints_file }}{% endif %}"
           become: True
 
         - name: Ensure kolla-ansible virtualenv has SELinux bindings installed