configs: colibri_vf: remove obsolete mmc/sd card environment

Remove obsolete MMC/SD card environment configuration dating back to
un-fused samples times.

While at it also remove meanwhile spurious "USB Storage" comment.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Igor Opaniuk <igor.opaniuk@toradex.com>
diff --git a/include/configs/colibri_vf.h b/include/configs/colibri_vf.h
index 2fe7f21..7b974d9 100644
--- a/include/configs/colibri_vf.h
+++ b/include/configs/colibri_vf.h
@@ -145,13 +145,6 @@
 	(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
 
 /* Environment organization */
-
-#ifdef CONFIG_ENV_IS_IN_MMC
-#define CONFIG_SYS_MMC_ENV_DEV		0
-#define CONFIG_ENV_OFFSET		(12 * 64 * 1024)
-#define CONFIG_ENV_SIZE			(8 * 1024)
-#endif
-
 #ifdef CONFIG_ENV_IS_IN_NAND
 #define CONFIG_ENV_SIZE			(64 * 2048)
 #define CONFIG_ENV_RANGE		(4 * 64 * 2048)
@@ -165,6 +158,4 @@
 /* USB DFU */
 #define CONFIG_SYS_DFU_DATA_BUF_SIZE (1024 * 1024)
 
-/* USB Storage */
-
 #endif /* __CONFIG_H */