Delete nmcli module

* it does not work

roles/common/tasks/hostname.yml

@@ -7,6 +7,7 @@
   dnf:
     name: '{{ item }}'
     state: installed
+  become: yes
   with_items:
     - NetworkManager-glib
     - libnm-qt-devel.x86_64
@@ -14,10 +15,13 @@
     - libsemanage-python
     - policycoreutils-python
 
-- name: set DNS Server
-  nmcli: 
-    dns4:
-      - 129.13.64.5
-      - 141.3.175.65
-      - 8.8.8.8
-    state: present
+      # does not work at the moment
+      # - name: set DNS Server
+      #   nmcli: 
+      #     conn_name: enp0s31f6
+      #     dns4:
+      #       - 129.13.64.5
+      #       - 141.3.175.65
+      #         #  - 8.8.8.8
+      #     state: present
+      #     type: ethernet