qa/cephfs: remove sudo parameter from run_shell() Reviewed-by: Venky Shankar <vshankar@redhat.com> Reviewed-by: Nikhilkumar Shelke <nshelke@redhat.com> Reviewed-by: Jos Collin <jcollin@redhat.com> Reviewed-by: Neeraj Pratap Singh <neesingh@redhat.com>