CHROMIUM: config: remove unused mousedev and polldev

CHROMIUM: config: remove unused mousedev and polldev

All modern input drivers use evdev, not legacy mousedev, and none of the
input drivers used in chromium OS use polldev.

Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
BUG=none
TEST=builds clean; notice 29 less functions in
     /sys/kernel/debug/tracing/available_filter_functions

Change-Id: I0fb2a2580faadb88710c3af11b1459dc5ab91363
Reviewed-on: https://gerrit.chromium.org/gerrit/30832
Commit-Ready: Daniel Kurtz <djkurtz@chromium.org>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Tested-by: Daniel Kurtz <djkurtz@chromium.org>