Run virsh commands directly on vmhost

RHEL8 Ansible changed to use Python 3.8 which does not have libvirt
bindings packaged.

playbooks/include/deploy-kvm-guest.yml

@@ -38,9 +38,8 @@
 
     - name: get vm list
       virt:
-        uri: "{{ vmhost_uri }}"
         command: list_vms
-      delegate_to: localhost
+      delegate_to: "{{ vmhost }}"
       register: result
       check_mode: false