mousecontrol: Mouse CPI table will be maintained in xorg-conf

We now maintain the mouse CPI table in the xorg-conf package instead.
So, add a warning message here to prevent people adding new entries
to it.

BUG=chromium:418001
TEST=N/A

Change-Id: I7864465fe4b110bf01a631c04d47412db324389d
Reviewed-on: https://chromium-review.googlesource.com/221401
Reviewed-by: Chung-yih Wang <cywang@chromium.org>
Tested-by: Tai-Hsu Lin <sheckylin@chromium.org>
Commit-Queue: Tai-Hsu Lin <sheckylin@chromium.org>
1 file changed