configs: sama5d27_som1_ek: Remove unnecessary FAT_ENV_xxx macros

FAT_ENV_xxx options can now be set using Kconfig, so we no longer
need them in the config files.

Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>

include/configs/sama5d27_som1_ek.h

@@ -36,9 +36,6 @@
 #undef CONFIG_BOOTCOMMAND
 #ifdef CONFIG_SD_BOOT
 /* u-boot env in sd/mmc card */
-#define FAT_ENV_INTERFACE	"mmc"
-#define FAT_ENV_DEVICE_AND_PART	"0"
-#define FAT_ENV_FILE		"uboot.env"
 #define CONFIG_ENV_SIZE		0x4000
 /* bootstrap + u-boot + env in sd card */
 #define CONFIG_BOOTCOMMAND	"fatload mmc 0:1 0x21000000 at91-sama5d27_som1_ek.dtb; " \