Rename all of the modules

This is separate from the previous patch - it's just the results
of running the script so we can review the two a little independently.
We should probably squash them.

Change-Id: I838f15cf4a32455a5be20033c8ddc27db6ca15c0

ci/roles/network/tasks/main.yml

@@ -1,6 +1,6 @@
 ---
 - name: Create network
-  openstack.cloud.os_network:
+  openstack.cloud.network:
      cloud: "{{ cloud }}"
      name: "{{ network_name }}"
      state: present
@@ -8,7 +8,7 @@
      external: "{{ network_external }}"
 
 - name: Delete network
-  openstack.cloud.os_network:
+  openstack.cloud.network:
      cloud: "{{ cloud }}"
      name: "{{ network_name }}"
      state: absent