Revert "add control-* keymap config"

This reverts commit b0d34c090fff9d31219bd3e57d38769aa2c333c2.

Change-Id: If7f3577cef957630029b9b7dbbd3e2497020bdf0
Reviewed-on: http://gerrit.chromium.org/gerrit/1690
Reviewed-by: Joseph Shyh-In Hwang <josephsih@chromium.org>
Reviewed-by: Micah Catlin <micahc@chromium.org>
Tested-by: Micah Catlin <micahc@chromium.org>