media: i2c: imx290: Remove duplicated write to IMX290_CTRL_07

IMX290_CTRL_07 was written from both imx290_global_init_settings
and imx290_1080p_settings and imx290_720p_settings.

Remove it from imx290_global_init_settings as the setting varies
based on the mode.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Reviewed-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>