Revert "crypto: testmgr - Add hash export format testing"

This reverts commit 18c438b2.

The s390 hmac and sha3 algorithms are failing the test.  Revert
the change until they have been fixed.

Reported-by: Ingo Franzki <ifranzki@linux.ibm.com>
Link: https://lore.kernel.org/all/623a7fcb-b4cb-48e6-9833-57ad2b32a252@linux.ibm.com/


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