lava_helper/lava_wait_jobs.py: Don't convert job_id's to int's

We no longer treat job ids as integers, instead as strings (and upcoming
TuxSuite job ids definitely consists not of just digits).

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
Change-Id: I6e3b3c455823fbbd73c67d4547be22ee690f5b11
diff --git a/lava_helper/lava_wait_jobs.py b/lava_helper/lava_wait_jobs.py
index 6791c25..f05b02b 100755
--- a/lava_helper/lava_wait_jobs.py
+++ b/lava_helper/lava_wait_jobs.py
@@ -34,7 +34,6 @@
 
 def wait_for_jobs(user_args):
     job_list = user_args.job_ids.split(",")
-    job_list = [int(x) for x in job_list if x != '']
     lava = test_lava_dispatch_credentials(user_args)
     finished_jobs = get_finished_jobs(job_list, user_args, lava)
     resubmit_jobs = resubmit_failed_jobs(finished_jobs, user_args)
@@ -86,7 +85,6 @@
     for failed_job_id in failed_job:
         jobs.pop(failed_job_id)
     resubmitted_jobs = submit_lava_jobs(user_args, job_dir='failed_jobs')
-    resubmitted_jobs = [int(x) for x in resubmitted_jobs if x != '']
     return resubmitted_jobs
 
 def fetch_artifacts(jobs, user_args, lava):