OMAP3: omap3_logic: Remove YAFFS support.

UBIFS is the preferred FS, and YAFFS isn't officially included in
Linux.  Removing this feature reduces the code size.

Signed-off-by: Adam Ford <aford173@gmail.com>
Reviewed-by: Tom Rini <trini@konsulko.com>

include/configs/omap3_logic.h

@@ -66,8 +66,6 @@
 #define CONFIG_CMD_PING
 #define CONFIG_CMD_DHCP
 
-#define CONFIG_YAFFS2
-
 /* I2C */
 #define CONFIG_SYS_I2C_OMAP34XX
 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50	/* EEPROM AT24C64      */