Remove some unnecessary OPENSSL_FIPS references

FIPS_mode() exists in all versions of OpenSSL but always returns 0 if OpenSSL is not FIPS
capable.
Reviewed-by: Tim Hudson <tjh@openssl.org>

ssl/t1_lib.c

@@ -3599,10 +3599,8 @@ static const tls12_hash_info *tls12_get_hash_info(unsigned char hash_alg)
 const EVP_MD *tls12_get_hash(unsigned char hash_alg)
 	{
 	const tls12_hash_info *inf;
-#ifndef OPENSSL_FIPS
 	if (hash_alg == TLSEXT_hash_md5 && FIPS_mode())
 		return NULL;
-#endif
 	inf = tls12_get_hash_info(hash_alg);
 	if (!inf || !inf->mfunc)
 		return NULL;