Remove lid_touchpad_helper

It was written in the X11 era, and doesn't seem to be in use anymore. It
also contains a bit of oppressive language.

BUG=b:162024466
TEST=check the unit tests still build and pass

Change-Id: Iac332d18602d6437578ee3245df9a87fa715e1f2
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/gestures/+/2318271
Tested-by: Harry Cutts <hcutts@chromium.org>
Auto-Submit: Harry Cutts <hcutts@chromium.org>
Reviewed-by: Sean O'Brien <seobrien@chromium.org>
Commit-Queue: Harry Cutts <hcutts@chromium.org>
4 files changed