media: exynos4-is: Remove unused struct member input_index

This is no longer used since the conversion to DT
Signed-off-by: Jonathan Bakker <xc-racer2@live.ca>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/platform/exynos4-is/fimc-core.h

@@ -296,7 +296,6 @@ struct fimc_m2m_device {
  * @buf_index: index for managing the output DMA buffers
  * @frame_count: the frame counter for statistics
  * @reqbufs_count: the number of buffers requested in REQBUFS ioctl
- * @input_index: input (camera sensor) index
  * @input: capture input type, grp_id of the attached subdev
  * @user_subdev_api: true if subdevs are not configured by the host driver
  */
@@ -317,7 +316,6 @@ struct fimc_vid_cap {
 	unsigned int			frame_count;
 	unsigned int			reqbufs_count;
 	bool				streaming;
-	int				input_index;
 	u32				input;
 	bool				user_subdev_api;
 };