Move beefy-merkle-tree to utils/binary-merkle-tree and make it generic (#13076)

* move BeefyMmrApi to pallet-beefy-mmr

* fix test_utils use pallet-beefy-mmr BeefyMmrApi

* Move beefy-merkle-tree to utils and Rename to Merkle-tree

* fix fmt and test

* Update merkle-tree to binary-merkle-tree and Remove Keccak256 mod from merkle-tree

* change merkle-tree name to binary-merkle-tree

* mirr fix