Remove MBEDTLS_AES_SETKEY_ENC_ALT

Signed-off-by: Thomas Daubney <thomas.daubney@arm.com>
diff --git a/tests/include/test/psa_crypto_helpers.h b/tests/include/test/psa_crypto_helpers.h
index ea6e8c5..2ac749e 100644
--- a/tests/include/test/psa_crypto_helpers.h
+++ b/tests/include/test/psa_crypto_helpers.h
@@ -251,8 +251,7 @@
  *  \param key_type  Key type
  *  \param key_bits  Key length in number of bits.
  */
-#if defined(MBEDTLS_AES_SETKEY_ENC_ALT) || \
-    defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_AES)
+#if defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_AES)
 #define MBEDTLS_TEST_HAVE_ALT_AES 1
 #else
 #define MBEDTLS_TEST_HAVE_ALT_AES 0