MIPS: disable CONFIG_IDE in bigsur_defconfig

bigsur_defconfig enables CONFIG_IDE for the tc86c001 ide driver, which
is a Toshiba plug in card that does not make much sense to use on bigsur
platforms.  For all other ATA cards libata support is already enabled.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

arch/mips/configs/bigsur_defconfig

@@ -105,10 +105,6 @@ CONFIG_BLK_DEV_CRYPTOLOOP=m
 CONFIG_BLK_DEV_NBD=m
 CONFIG_EEPROM_LEGACY=y
 CONFIG_EEPROM_MAX6875=y
-CONFIG_IDE=y
-CONFIG_BLK_DEV_IDECD=y
-CONFIG_BLK_DEV_IDETAPE=y
-CONFIG_BLK_DEV_TC86C001=m
 CONFIG_BLK_DEV_SD=y
 CONFIG_CHR_DEV_ST=y
 CONFIG_BLK_DEV_SR=y