Revert "don't use the gitlab edit feature"

This reverts commit e2852caa.

playbook/roles/slapos-proxy/tasks/main.yml

-  - name: Install packages using apt
+- name: Install packages using apt
     apt: name=slapos-node state=present update_cache=yes cache_valid_time=3600
     when: ansible_os_family == "Debian"
 
@@ -19,4 +19,4 @@
 
   - name: Run slapos format for initial bootstrap
     shell: "slapos node format --now --alter_user=True
-    when: slapos_cfg.stat.exists == False
+    when: slapos_cfg.stat.exists == False
\ No newline at end of file