Remove provider_networks from neutron playbook

These tasks have been moved to os_neutron role with [1]

[1] cdc9d88086

Depends-On: https://review.opendev.org/c/openstack/openstack-ansible-os_neutron/+/817913
Change-Id: I0378d912895ff8710baca83f805f73e9972daba5

playbooks/common-playbooks/neutron.yml

@@ -88,28 +88,8 @@
       when:
         - hostvars['localhost']['resolvconf_enabled'] | bool
 
-    - name: Create the neutron provider networks facts
-      provider_networks:
-        provider_networks: "{{ provider_networks }}"
-        bind_prefix: "{{ provider_network_bind_prefix | default('') }}"
-        is_metal: "{{ is_metal }}"
-        group_names: "{{ group_names }}"
-      register: pndata
-      when: neutron_provider_networks is not defined
-      tags:
-        - always
-
-    - name: Set provider network fact(s)
-      set_fact:
-        _provider_networks: "{{ neutron_provider_networks | default(pndata) }}"
-      tags:
-        - always
-
   roles:
     - role: "os_neutron"
-      neutron_overlay_network: "{{ _overlay_network }}"
-      neutron_provider_networks: "{{ _provider_networks }}"
-      neutron_local_ip: "{{ tunnel_address }}"
 
     - role: "bird"
       when: