V4L/DVB (7130): tuner: remove emacs c-basic-offset override block

I'd prefer to leave this here, but official CodingStyle
doesn't care what I think :-/

Remove the emacs format override block to comply with Kernel CodingStyle.

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>