Revert "media: cec: correctly pass on reply results"

This reverts commit 8fa7e489 which is
commit f9d0ecbf upstream.

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

Bug: 161946584
Change-Id: I46d225aebe60f71253ff07b1af5771553c11297d
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>