Blake2b: remove dead C code
ocaml-blake2 only contains code and bindings for blake2b.
This commit is just a cleanup that removes code that is not used.
Test plan:
In vendors/ocaml-blake2/, run dune runtest
ocaml-blake2 only contains code and bindings for blake2b.
This commit is just a cleanup that removes code that is not used.
Test plan:
In vendors/ocaml-blake2/, run dune runtest