GitLab

All observers of print job notifications have this notification
commented with don't care, and don't do anything with it. Remove.

Bug: None
Change-Id: Ia669135a311ad1fc3090bb7de974c4a0718a4d0a
Reviewed-on: https://chromium-review.googlesource.com/802755Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Rebekah Potter <rbpotter@chromium.org>
Cr-Commit-Position: refs/heads/master@{#521010}