Remove preprocessor directive for consistency
Other cases in this switch statement aren't guarded either.
@@ -2529,10 +2529,8 @@ static size_t psa_get_hash_block_size( psa_algorithm_t alg )
return( 64 );
case PSA_ALG_SHA_256:
return( 64 );
-#if !defined(MBEDTLS_SHA512_NO_SHA384)
case PSA_ALG_SHA_384:
return( 128 );
-#endif
case PSA_ALG_SHA_512:
return( 128 );
default:
