media: MAINTAINERS: remove SOC-CAMERA entry

After the removal of the soc_camera driver and the soc_camera.h header
the SOC-CAMERA entry in the MAINTAINERS file can also be removed.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

MAINTAINERS

@@ -15772,13 +15772,6 @@ L:	netdev@vger.kernel.org
 S:	Maintained
 F:	drivers/net/ethernet/smsc/smsc9420.*
 
-SOC-CAMERA V4L2 SUBSYSTEM
-L:	linux-media@vger.kernel.org
-S:	Orphan
-T:	git git://linuxtv.org/media_tree.git
-F:	drivers/staging/media/soc_camera/
-F:	include/media/soc_camera.h
-
 SOCIONEXT (SNI) AVE NETWORK DRIVER
 M:	Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
 L:	netdev@vger.kernel.org