staging: xgifb: delete duplicated timing data

Delete redundant timing data tables. Replace as follows:

	EnlargeTap4Timing	==> xgifb_tap4_timing
	NoScaleTap4Timing	==> xgifb_tap4_timing
	NTSCTap4Timing		==> xgifb_ntsc_525_tap4_timing
	YPbPr525iTap4Timing	==> xgifb_ntsc_525_tap4_timing
	YPbPr525pTap4Timing	==> xgifb_ntsc_525_tap4_timing

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>