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

protos/src/lib.rs

@@ -1,5 +0,0 @@
-// The protobuf code-generator is not up-to-date with clippy, therefore we silence some warnings.
-#[allow(renamed_and_removed_lints)]
-pub mod services;
-#[allow(renamed_and_removed_lints)]
-pub mod services_grpc;

protos/src/services.proto

@@ -1,94 +0,0 @@
-// TODO: This setup requires that the BN (beacon node) holds the block in state
-// during the interval between the `GenerateProposalRequest` and the
-// `SubmitProposalRequest`.
-//
-// This is sub-optimal as if a validator client switches BN during this process
-// the block will be lost.
-//
-// This "stateful" method is being used presently because it's easier and
-// requires less maintainence as the `BeaconBlock` definition changes.
-
-syntax = "proto3";
-
-package ethereum.beacon.rpc.v1;
-
-service BeaconBlockService {
-    rpc ProduceBeaconBlock(ProduceBeaconBlockRequest) returns (ProduceBeaconBlockResponse);
-    rpc PublishBeaconBlock(PublishBeaconBlockRequest) returns (PublishBeaconBlockResponse);
-}
-
-service ValidatorService {
-    // rpc ValidatorAssignment(ValidatorAssignmentRequest) returns (ValidatorAssignmentResponse);
-	rpc ProposeBlockSlot(ProposeBlockSlotRequest) returns (ProposeBlockSlotResponse);
-	rpc ValidatorIndex(PublicKey) returns (IndexResponse);
-}
-
-message BeaconBlock {
-	uint64 slot = 1;
-	bytes block_root = 2;
-	bytes randao_reveal = 3;
-	bytes signature = 4;
-}
-
-// Validator requests an unsigned proposal.
-message ProduceBeaconBlockRequest {
-    uint64 slot = 1;
-}
-
-// Beacon node returns an unsigned proposal.
-message ProduceBeaconBlockResponse {
-    BeaconBlock block = 1;
-}
-
-// Validator submits a signed proposal.
-message PublishBeaconBlockRequest {
-    BeaconBlock block = 1;
-}
-
-// Beacon node indicates a sucessfully submitted proposal.
-message PublishBeaconBlockResponse {
-    bool success = 1;
-    bytes msg = 2;
-}
-
-// A validators duties for some epoch.
-// TODO: add shard duties.
-message ValidatorAssignment {
-	oneof block_production_slot_oneof {
-		bool block_production_slot_none = 1;
-		uint64 block_production_slot = 2;
-	}
-}
-
-message ValidatorAssignmentRequest {
-	uint64 epoch = 1;
-	bytes validator_index = 2;
-}
-
-/*
- * Propose slot
- */
-
-message ProposeBlockSlotRequest {
-	uint64 epoch = 1;
-	uint64 validator_index = 2;
-}
-
-message ProposeBlockSlotResponse {
-	oneof slot_oneof {
-		bool none = 1;
-		uint64 slot = 2;
-	}
-}
-
-/*
- * Validator Assignment
- */
-
-message PublicKey {
-	bytes public_key = 1;
-}
-
-message IndexResponse {
-	uint64 index = 1;
-}