Fix deprecation warning

desktop.yml

@@ -2,9 +2,7 @@
   tasks:
     - name: install desktop software
       dnf:
-        name: "{{ item }}"
+        name: "{{ desktop_software }}"
         state: present
       become: yes
       when: ansible_distribution == 'Fedora'
-      with_items:
-      - "{{ desktop_software }}"