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It wasn't even being used for anything, so remove the test for the
config option (as the config option isn't present anymore), and remove
the unused module parameter "debug" so as to not confuse anyone.

Cc: Mauro Carvalho Chehab <m.chehab@samsung.com>
Cc: James Hogan <james.hogan@imgtec.com>
Cc: "Antti Seppälä" <a.seppala@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>