* swap out rust-crypto for RustCrypto libraries for key management * change scrypt params unrwap to expect * delete eth2 key derivation path file, fix error handling in eth2 keystore, pr updates
* swap out rust-crypto for RustCrypto libraries for key management * change scrypt params unrwap to expect * delete eth2 key derivation path file, fix error handling in eth2 keystore, pr updates