Merge spec crate into types

validator_client/src/main.rs

@@ -8,10 +8,10 @@ use grpcio::{ChannelBuilder, EnvBuilder};
 use protos::services_grpc::{BeaconBlockServiceClient, ValidatorServiceClient};
 use slog::{error, info, o, Drain};
 use slot_clock::SystemTimeSlotClock;
-use spec::ChainSpec;
 use std::path::PathBuf;
 use std::sync::Arc;
 use std::thread;
+use types::ChainSpec;
 
 mod block_producer_service;
 mod config;