Revert "usb: chipidea/ci_hdrc_imx: Convert to platform remove callback returning void"

This reverts commit 998b1fa6 which is
commit ad593ed6 upstream.

It breaks the Android kernel build and can be brought back in the future
in an safe way if it is really needed.

Bug: 161946584
Change-Id: Iebadf7093ec6e0d42119463812111942bf1f54cb
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>