make slurm install a static config file rather than generating it from the ansible facts

roles/slurm-common/tasks/main.yml

@@ -128,7 +128,7 @@
   when: slurm_gres_list is defined
 
 - name: install slurm.conf
-  template: src=slurm.conf.j2 dest={{ slurm_dir }}/etc/slurm.conf
+  copy: src=files/slurm.conf dest={{ slurm_dir }}/etc/slurm.conf
   sudo: true
   notify: restart slurm
   when: slurm_use_vpn==False