updated the way files are handled in this role

Former-commit-id: e7a6a0cb

roles/slurm-common/tasks/installSlurmFromSource.yml

@@ -94,8 +94,11 @@
   sudo: true
 
 - name: remove exist-slurm-latest-link
-  shell: unlink  /opt/slurm-latest
-  sudo: true
+  file:
+   path: /opt/slurm-latest
+   state: absent
+  become: true
+  become_user: root
   when: force_slurm_recompile is defined or not stat_srun.stat.exists
 
 - name: put slurm-latest-link