apalis_imx6: drop CONFIG_OF_SYSTEM_SETUP

This doesn't do anything anymore, probably never did.

Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
diff --git a/board/toradex/apalis_imx6/apalis_imx6.c b/board/toradex/apalis_imx6/apalis_imx6.c
index 220cbff..a716f09 100644
--- a/board/toradex/apalis_imx6/apalis_imx6.c
+++ b/board/toradex/apalis_imx6/apalis_imx6.c
@@ -715,13 +715,6 @@
 }
 #endif /* CONFIG_BOARD_LATE_INIT */
 
-#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_SYSTEM_SETUP)
-int ft_system_setup(void *blob, bd_t *bd)
-{
-	return 0;
-}
-#endif
-
 int checkboard(void)
 {
 	char it[] = " IT";
diff --git a/include/configs/apalis_imx6.h b/include/configs/apalis_imx6.h
index 6b20d1e..382048d 100644
--- a/include/configs/apalis_imx6.h
+++ b/include/configs/apalis_imx6.h
@@ -259,8 +259,6 @@
 #define CONFIG_SYS_MMC_ENV_PART		1
 #endif
 
-#define CONFIG_OF_SYSTEM_SETUP
-
 #define CONFIG_CMD_TIME
 
 #endif	/* __CONFIG_H */