media: get rid of removed DMX_GET_CAPS and DMX_SET_SOURCE leftovers

Those two ioctls were never used within the Kernel. Still, there
used to have compat32 code there (and an if #0 block at the core).

Get rid of them.

Fixes: 286fe1ca3fa1 ("media: dmx.h: get rid of DMX_GET_CAPS")
Fixes: 13adefbe9e56 ("media: dmx.h: get rid of DMX_SET_SOURCE")
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/dvb-core/dmxdev.c

@@ -1025,26 +1025,6 @@ static int dvb_demux_do_ioctl(struct file *file,
 		dmxdev->demux->get_pes_pids(dmxdev->demux, parg);
 		break;
 
-#if 0
-	/* Not used upstream and never documented */
-
-	case DMX_GET_CAPS:
-		if (!dmxdev->demux->get_caps) {
-			ret = -EINVAL;
-			break;
-		}
-		ret = dmxdev->demux->get_caps(dmxdev->demux, parg);
-		break;
-
-	case DMX_SET_SOURCE:
-		if (!dmxdev->demux->set_source) {
-			ret = -EINVAL;
-			break;
-		}
-		ret = dmxdev->demux->set_source(dmxdev->demux, parg);
-		break;
-#endif
-
 	case DMX_GET_STC:
 		if (!dmxdev->demux->get_stc) {
 			ret = -EINVAL;

fs/compat_ioctl.c

@@ -1331,8 +1331,6 @@ COMPATIBLE_IOCTL(DMX_SET_FILTER)
 COMPATIBLE_IOCTL(DMX_SET_PES_FILTER)
 COMPATIBLE_IOCTL(DMX_SET_BUFFER_SIZE)
 COMPATIBLE_IOCTL(DMX_GET_PES_PIDS)
-COMPATIBLE_IOCTL(DMX_GET_CAPS)
-COMPATIBLE_IOCTL(DMX_SET_SOURCE)
 COMPATIBLE_IOCTL(DMX_GET_STC)
 COMPATIBLE_IOCTL(FE_GET_INFO)
 COMPATIBLE_IOCTL(FE_DISEQC_RESET_OVERLOAD)