env: Remove CONFIG_ENV_AES support

This support has been deprecated since v2017.09 due to security issues.
We now remove this support.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/include/environment.h b/include/environment.h
index 7b98216..d29f82c 100644
--- a/include/environment.h
+++ b/include/environment.h
@@ -143,12 +143,7 @@
 # define ENV_HEADER_SIZE	(sizeof(uint32_t))
 #endif
 
-#ifdef CONFIG_ENV_AES
-/* Make sure the payload is multiple of AES block size */
-#define ENV_SIZE ((CONFIG_ENV_SIZE - ENV_HEADER_SIZE) & ~(16 - 1))
-#else
 #define ENV_SIZE (CONFIG_ENV_SIZE - ENV_HEADER_SIZE)
-#endif
 
 typedef struct environment_s {
 	uint32_t	crc;		/* CRC32 over data bytes	*/
@@ -156,12 +151,7 @@
 	unsigned char	flags;		/* active/obsolete flags	*/
 #endif
 	unsigned char	data[ENV_SIZE]; /* Environment data		*/
-} env_t
-#ifdef CONFIG_ENV_AES
-/* Make sure the env is aligned to block size. */
-__attribute__((aligned(16)))
-#endif
-;
+} env_t;
 
 #ifdef ENV_IS_EMBEDDED
 extern env_t environment;