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: Ic9db0630dd59d63e972fabcd4d84ef0327e8a349
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>