fix: Remove pam_slurm config causing ssh denial

pam_slurm config denies ssh if there is no slurm job on the compute node
A login node is not expected to run jobs so we removed this config from
the login playbook

ansible/login.yml

@@ -5,6 +5,5 @@
   roles:
     - { name: 'fix_centos_repo', tags: 'fix_centos_repo' }
     - { name: 'install_packages', tags: 'install_packages' }
-    - { name: 'pam_slurm_adopt', tags: 'pam_slurm_adopt' }
     - { name: 'install_nhc', tags: 'install_nhc'}