Revert "crypto: crct10dif - Wrap crc_t10dif function all to use crypto transform framework"

This reverts commits
    67822649d7
    39761214ee
    0b95a7f857
    31d939625a
    2d31e518a4

Unfortunately this change broke boot on some systems that used an
initrd which does not include the newly created crct10dif modules.
As these modules are required by sd_mod under certain configurations
this is a serious problem.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

include/linux/crc-t10dif.h

@@ -3,10 +3,6 @@
 
 #include <linux/types.h>
 
-#define CRC_T10DIF_DIGEST_SIZE 2
-#define CRC_T10DIF_BLOCK_SIZE 1
-
-__u16 crc_t10dif_generic(__u16 crc, const unsigned char *buffer, size_t len);
 __u16 crc_t10dif(unsigned char const *, size_t);
 
 #endif