staging: xgifb: delete support for Chrontel 7017 TV output

IF_DEF_CH7017 is hard-coded to 0, so this is all just dead code that
can be deleted.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/xgifb/vb_def.h

@@ -90,7 +90,6 @@
 #define VB_XGI301LV       0x0008
 #define VB_XGI302LV       0x0010
 #define VB_LVDS_NS        0x0001       /* 3rd party chip */
-#define VB_CH7017         0x0002
 #define VB_CH7007         0x0080       /* [Billy] 07/05/03 */
 
 #define ModeInfoFlag      0x0007

drivers/staging/xgifb/vb_struct.h

@@ -297,7 +297,7 @@ struct vb_device_info {
 	/* ,IF_DEF_FSTN; add for dstn */
 	unsigned short   IF_DEF_LVDS, IF_DEF_TRUMPION, IF_DEF_DSTN;
 	unsigned short   IF_DEF_CRT2Monitor, IF_DEF_VideoCapture;
-	unsigned short   IF_DEF_LCDA, IF_DEF_CH7017, IF_DEF_YPbPr,
+	unsigned short   IF_DEF_LCDA, IF_DEF_YPbPr,
 			 IF_DEF_ScaleLCD, IF_DEF_OEMUtil, IF_DEF_PWD;
 	unsigned short   IF_DEF_ExpLink;
 	unsigned short   IF_DEF_CH7005, IF_DEF_HiVision;