Revert "ANDROID: vendor_hooks: Add vendor hooks for key combination"

This reverts commit 72f2bc5f.

You can use input_handle_event instead of this vendor hook.

Change-Id: I8c6c5705f07181710c99a01239d75ecf43f9c5bf
Signed-off-by: Changki Kim <changki.kim@samsung.com>