Revert "usb: roles: set switch registered flag early on"

This reverts commit 6a902573 which is
commit 634775a7 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: Ia58e2620c632c58d661e29b615d7392c8d1ed850
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>