crypto: geode - Kill AES_MIN_BLOCK_SIZE

This is actually defined in include/crypto/aes.h , no need to have
a a different symbol for the same thing twice.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Dmitry Kasatkin <dmitry.kasatkin@nokia.com>
Cc: Eric Bénard <eric@eukrea.com>
Cc: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Cc: Kent Yoder <key@linux.vnet.ibm.com>
Cc: Michal Ludvig <michal@logix.cz>
Cc: Varun Wadekar <vwadekar@nvidia.com>
Cc: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com>
Cc: linux-geode@lists.infradead.org
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/geode-aes.h

@@ -12,7 +12,6 @@
 /* driver logic flags */
 #define AES_IV_LENGTH  16
 #define AES_KEY_LENGTH 16
-#define AES_MIN_BLOCK_SIZE 16
 
 #define AES_MODE_ECB 0
 #define AES_MODE_CBC 1