pxa: colibri_pxa270: remove CONFIG_ENV_ADDR_REDUND

Usually not required for NOR flash.
Signed-off-by: NMarcel Ziswiler <marcel@ziswiler.com>

include/configs/colibri_pxa270.h

@@ -157,8 +157,6 @@
 			(CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN + 0x40000)
 #define	CONFIG_ENV_SIZE			0x40000
 #define	CONFIG_ENV_SECT_SIZE		0x40000
-#define CONFIG_ENV_ADDR_REDUND		(CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE)
-#define CONFIG_ENV_SIZE_REDUND		(CONFIG_ENV_SIZE)
 
 /*
  * GPIO settings