media: imx274: remote unused function imx274_read_reg

imx274_read_reg() is not used since commit ca017467c7 ("media:
imx274: add helper to read multibyte registers").

Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Luca Ceresoli 2019-01-11 14:30:42 -02:00 • committed by Mauro Carvalho Chehab
commit 1455dddc74