Migrate esd 405EP boards to new NAND subsystem

Remove unused CFG_NAND_LEGACY define

These boards to not have NAND.

Signed-off-by: Matthias Fuchs <matthias.fuchs@esd-electronics.com>
diff --git a/include/configs/CPCI405.h b/include/configs/CPCI405.h
index 9acde1e..9c04129 100644
--- a/include/configs/CPCI405.h
+++ b/include/configs/CPCI405.h
@@ -83,8 +83,6 @@
 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
 #include <cmd_confdefs.h>
 
-#define CFG_NAND_LEGACY
-
 #undef	CONFIG_WATCHDOG			/* watchdog disabled		*/
 
 #define CONFIG_SDRAM_BANK0	1	/* init onboard SDRAM bank 0	*/
diff --git a/include/configs/CPCI4052.h b/include/configs/CPCI4052.h
index 3fc99c5..2a328a6 100644
--- a/include/configs/CPCI4052.h
+++ b/include/configs/CPCI4052.h
@@ -105,8 +105,6 @@
 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
 #include <cmd_confdefs.h>
 
-#define CFG_NAND_LEGACY
-
 #undef	CONFIG_WATCHDOG			/* watchdog disabled		*/
 
 #define CONFIG_SDRAM_BANK0	1	/* init onboard SDRAM bank 0	*/
diff --git a/include/configs/CPCI405AB.h b/include/configs/CPCI405AB.h
index 4e2e1a8..6946686 100644
--- a/include/configs/CPCI405AB.h
+++ b/include/configs/CPCI405AB.h
@@ -91,9 +91,6 @@
 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
 #include <cmd_confdefs.h>
 
-#define CFG_NAND_LEGACY
-
-
 #undef	CONFIG_WATCHDOG			/* watchdog disabled		*/
 
 #define CONFIG_SDRAM_BANK0	1	/* init onboard SDRAM bank 0	*/
diff --git a/include/configs/CPCI405DT.h b/include/configs/CPCI405DT.h
index ab302df..4ae240e 100644
--- a/include/configs/CPCI405DT.h
+++ b/include/configs/CPCI405DT.h
@@ -102,8 +102,6 @@
 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
 #include <cmd_confdefs.h>
 
-#define CFG_NAND_LEGACY
-
 #undef	CONFIG_WATCHDOG			/* watchdog disabled		*/
 
 #define CONFIG_SDRAM_BANK0	1	/* init onboard SDRAM bank 0	*/