staging: most: video: remove debugging code

This patch removes debugging code in video.c that causes the following
checkpatch warning:

WARNING: Prefer using '\"%s...\", __func__' to using function's name in a string

Signed-off-by: Abdun Nihaal <abdun.nihaal@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>