CLOUDSTACK-7595: Config parameters "job.expire.minutes" and "job.cancel.threshold.minutes" incorrectly getting multiplied by a factor of 60
Removed the unnecessary multiply factor for both the config parameters. Also removed the duplicate entries from Config.java as these are not required

(cherry picked from commit a6ee4112a54043033233334c900d9bcd1cebf157)
Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>