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
1 file changed