Rename magnum_flavor_name -> magnum_default_flavor_name

Author: Scott Davidson

README.rst

@@ -87,7 +87,7 @@ variables in `etc/openstack-config.yml`
 
 .. code-block:: yaml
 
-   magnum_flavor_name: # Chosen flavor on target cloud
+   magnum_default_flavor_name: # Chosen flavor on target cloud
    magnum_external_net_name: # External network
    magnum_loadbalancer_provider: # Octavia provider (e.g. 'ovn')
 

ansible/templates/magnum-capi-templates.j2

@@ -16,8 +16,8 @@
     capi_helm_chart_version: "{{ capi_helm_chart_release_data.json.tag_name }}"
     octavia_provider: {{ magnum_loadbalancer_provider }}
   external_network_id: {{ magnum_external_net_name }}
-  master_flavor: {{ magnum_flavor_name }}
-  flavor: {{ magnum_flavor_name }}
+  master_flavor: {{ magnum_default_flavor_name }}
+  flavor: {{ magnum_default_flavor_name }}
   image: "{{ item.value.name }}"
   name: "{{ item.key }}"
   coe: "kubernetes"