Strip out old code

All of these files have been moved to either:

- https://github.com/sigp/lighthouse-beacon
- https://github.com/sigp/lighthouse-validator
- https://github.com/sigp/lighthouse-common

For rationale, see: https://github.com/sigp/lighthouse/issues/197

beacon_node/beacon_chain/Cargo.toml

@@ -1,24 +0,0 @@
-[package]
-name = "beacon_chain"
-version = "0.1.0"
-authors = ["Paul Hauner <paul@paulhauner.com>"]
-edition = "2018"
-
-[dependencies]
-block_producer = { path = "../../eth2/block_producer" }
-bls = { path = "../../eth2/utils/bls" }
-boolean-bitfield = { path = "../../eth2/utils/boolean-bitfield" }
-db = { path = "../db" }
-failure = "0.1"
-failure_derive = "0.1"
-hashing = { path = "../../eth2/utils/hashing" }
-parking_lot = "0.7"
-log = "0.4"
-env_logger = "0.6"
-serde = "1.0"
-serde_derive = "1.0"
-serde_json = "1.0"
-slot_clock = { path = "../../eth2/utils/slot_clock" }
-ssz = { path = "../../eth2/utils/ssz" }
-state_processing = { path = "../../eth2/state_processing" }
-types = { path = "../../eth2/types" }