Fold kubernetes-apps/network_plugin into network_plugin (#12506)

For what I can see, there is no reason for the split, and it makes
things confusing.

roles/network_plugin/multus/tasks/main.yml

@@ -34,3 +34,21 @@
     - item.engine in container_manager_types
     - hostvars[inventory_hostname].container_manager == item.engine
     - inventory_hostname == vars_from_node
+
+- name: Multus | Start resources
+  kube:
+    name: "{{ item.item.name }}"
+    namespace: "kube-system"
+    kubectl: "{{ bin_dir }}/kubectl"
+    resource: "{{ item.item.type }}"
+    filename: "{{ kube_config_dir }}/{{ item.item.file }}"
+    state: "latest"
+  delegate_to: "{{ groups['kube_control_plane'][0] }}"
+  run_once: true
+  with_items: "{{ (multus_manifest_1.results | default([])) + (multus_nodes_list | map('extract', hostvars, 'multus_manifest_2') | map('default', []) | list | json_query('[].results')) }}"
+  loop_control:
+    label: "{{ item.item.name if item != None else 'skipped' }}"
+  vars:
+    multus_nodes_list: "{{ groups['k8s_cluster'] if ansible_play_batch | length == ansible_play_hosts_all | length else ansible_play_batch }}"
+  when:
+    - not item is skipped