tegra: Drop CONFIG_CHROMEOS_EXTRA_ENV_SETTINGS

This is not currently set by any boards, so drop.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/include/configs/tegra-common-post.h b/include/configs/tegra-common-post.h
index d9d89b6..755a41f 100644
--- a/include/configs/tegra-common-post.h
+++ b/include/configs/tegra-common-post.h
@@ -70,10 +70,6 @@
 #define BOARD_EXTRA_ENV_SETTINGS
 #endif
 
-#ifndef CONFIG_CHROMEOS_EXTRA_ENV_SETTINGS
-#define CONFIG_CHROMEOS_EXTRA_ENV_SETTINGS
-#endif
-
 #ifdef CONFIG_ARM64
 #define FDT_HIGH "ffffffffffffffff"
 #define INITRD_HIGH "ffffffffffffffff"
@@ -88,8 +84,7 @@
 	"fdt_high=" FDT_HIGH "\0" \
 	"initrd_high=" INITRD_HIGH "\0" \
 	BOOTENV \
-	BOARD_EXTRA_ENV_SETTINGS \
-	CONFIG_CHROMEOS_EXTRA_ENV_SETTINGS
+	BOARD_EXTRA_ENV_SETTINGS
 
 #if defined(CONFIG_TEGRA20_SFLASH) || defined(CONFIG_TEGRA20_SLINK) || defined(CONFIG_TEGRA114_SPI)
 #define CONFIG_TEGRA_SPI