imx6q: acc: 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/bosch/acc/acc.c b/board/bosch/acc/acc.c
index 4a0603d..732d823 100644
--- a/board/bosch/acc/acc.c
+++ b/board/bosch/acc/acc.c
@@ -12,7 +12,6 @@
 #include <dm/platform_data/serial_mxc.h>
 #include <dm/device-internal.h>
 #include <env.h>
-#include <env_internal.h>
 #include <hang.h>
 #include <init.h>
 #include <linux/delay.h>
@@ -236,22 +235,6 @@
 	gpio_set_value(GPIO_TOUCH_RESET, 1);
 }
 
-enum env_location env_get_location(enum env_operation op, int prio)
-{
-	if (op == ENVOP_SAVE || op == ENVOP_ERASE)
-		return ENVL_MMC;
-
-	switch (prio) {
-	case 0:
-		return ENVL_NOWHERE;
-
-	case 1:
-		return ENVL_MMC;
-	}
-
-	return ENVL_UNKNOWN;
-}
-
 int board_late_init(void)
 {
 	struct board_info *binfo = detect_board();
diff --git a/configs/imx6q_bosch_acc_defconfig b/configs/imx6q_bosch_acc_defconfig
index 68a63f8..f65e7d1 100644
--- a/configs/imx6q_bosch_acc_defconfig
+++ b/configs/imx6q_bosch_acc_defconfig
@@ -77,7 +77,6 @@
 CONFIG_MULTI_DTB_FIT=y
 CONFIG_OF_SPL_REMOVE_PROPS="pinctrl-0 pinctrl-names clocks clock-names interrupt-parent"
 CONFIG_ENV_OVERWRITE=y
-CONFIG_ENV_IS_NOWHERE=y
 CONFIG_ENV_IS_IN_MMC=y
 CONFIG_SYS_REDUNDAND_ENVIRONMENT=y
 CONFIG_SYS_MMC_ENV_PART=1