ALSA: hda - Remove ALC268 Dell, Toshiba and Zapto model quirks

These models work fine with the BIOS auto-parser.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 9a1aa09..6ec97b9 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -4245,7 +4245,7 @@
 
 	if (board_config < 0)
 		board_config = alc_board_codec_sid_config(codec,
-			ALC268_MODEL_LAST, alc268_models, alc268_ssid_cfg_tbl);
+			ALC268_MODEL_LAST, alc268_models, NULL);
 
 	if (board_config < 0) {
 		printk(KERN_INFO "hda_codec: %s: BIOS auto-probing.\n",