GitLab

This removes a few functions that were only related to logging translate
events in EventLogger, which isn't happening anymore as of r650268.

Bug: 911781
Change-Id: I5e78edb77c9723ed331e23a58a6d960ffbc15cf7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1584422Reviewed-by: Alexandre Frechette <frechette@chromium.org>
Commit-Queue: anthonyvd <anthonyvd@chromium.org>
Cr-Commit-Position: refs/heads/master@{#656451}