crypto: testmgr - Remove nhpoly1305 tests
These are no longer used, since nhpoly1305 support has been removed from
the crypto_shash API.
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Link: https://lore.kernel.org/r/20251211011846.8179-12-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>