crypto: gf128mul - make unselectable by user

There's no reason for users to select CONFIG_CRYPTO_GF128MUL, since it's
just some helper functions, and algorithms that need it select it.

Remove the prompt string so that it's not shown to users.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
1 file changed