Revert "add login shell argument for submit-pol-job command"

This reverts commit d662638e.

src/run-policy/run-submit-pol-job.py

@@ -135,7 +135,7 @@ def main():
     else:
         args['policy'] = './policy-def/list-path-external'
 
-    cmd = "bash -l submit-pol-job -o {outdir} -f {log_prefix} -P {policy} -N {nodes} -c {cores} -p {partition} -t {time} -m {mem_per_cpu} {device}".format(**args)
+    cmd = "./submit-pol-job -o {outdir} -f {log_prefix} -P {policy} -N {nodes} -c {cores} -p {partition} -t {time} -m {mem_per_cpu} {device}".format(**args)
     
     cmd_env = {
         'PATH': "/cm/shared/apps/slurm/18.08.9/bin/:/usr/lpp/mmfs/bin/:/usr/bin/"