arm: lart_defconfig: disable IDE subsystem

This patch disables deprecated IDE subsystem in lart_defconfig
(no IDE host drivers are selected in this config so there is no
valid reason to enable IDE subsystem itself).

Cc: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>

arch/arm/configs/lart_defconfig

@@ -36,8 +36,6 @@ CONFIG_MTD_CHAR=y
 CONFIG_MTD_BLOCK=y
 CONFIG_MTD_LART=y
 CONFIG_BLK_DEV_RAM=y
-CONFIG_IDE=m
-CONFIG_BLK_DEV_IDECD=m
 CONFIG_NETDEVICES=y
 CONFIG_DUMMY=m
 CONFIG_NET_ETHERNET=y