imx6: aristainetos: Remove misuse of env is nowhere driver

When using a list of writeable variables, the initial values come from
the built-in default environment since commit 5ab81058364b
("env: Complete generic support for writable list"). Remove unnecessary
misuse of the env is nowhere driver as default environment.

Signed-off-by: Stefan Herbrechtsmeier <stefan.herbrechtsmeier@weidmueller.com>
diff --git a/board/aristainetos/aristainetos.c b/board/aristainetos/aristainetos.c
index 770f3d7..4dcf3f3 100644
--- a/board/aristainetos/aristainetos.c
+++ b/board/aristainetos/aristainetos.c
@@ -30,7 +30,6 @@
 #include <bmp_logo.h>
 #include <dm/root.h>
 #include <env.h>
-#include <env_internal.h>
 #include <i2c_eeprom.h>
 #include <i2c.h>
 #include <micrel.h>
@@ -529,22 +528,3 @@
 	return 0;
 }
 #endif
-
-enum env_location env_get_location(enum env_operation op, int prio)
-{
-	if (op == ENVOP_SAVE || op == ENVOP_ERASE)
-		return ENVL_SPI_FLASH;
-
-	switch (prio) {
-	case 0:
-		return ENVL_NOWHERE;
-
-	case 1:
-		return ENVL_SPI_FLASH;
-
-	default:
-		return ENVL_UNKNOWN;
-	}
-
-	return ENVL_UNKNOWN;
-}
diff --git a/configs/aristainetos2c_defconfig b/configs/aristainetos2c_defconfig
index db68b21..d1eb2ab 100644
--- a/configs/aristainetos2c_defconfig
+++ b/configs/aristainetos2c_defconfig
@@ -59,7 +59,6 @@
 CONFIG_DTB_RESELECT=y
 CONFIG_MULTI_DTB_FIT=y
 CONFIG_ENV_OVERWRITE=y
-CONFIG_ENV_IS_NOWHERE=y
 CONFIG_ENV_IS_IN_SPI_FLASH=y
 CONFIG_ENV_SPI_EARLY=y
 CONFIG_SYS_REDUNDAND_ENVIRONMENT=y
diff --git a/configs/aristainetos2ccslb_defconfig b/configs/aristainetos2ccslb_defconfig
index d369505..638976d 100644
--- a/configs/aristainetos2ccslb_defconfig
+++ b/configs/aristainetos2ccslb_defconfig
@@ -59,7 +59,6 @@
 CONFIG_DTB_RESELECT=y
 CONFIG_MULTI_DTB_FIT=y
 CONFIG_ENV_OVERWRITE=y
-CONFIG_ENV_IS_NOWHERE=y
 CONFIG_ENV_IS_IN_SPI_FLASH=y
 CONFIG_ENV_SPI_EARLY=y
 CONFIG_SYS_REDUNDAND_ENVIRONMENT=y