Use serde derive feature. (#2351)

* core/primitives

* sr-primitives

* sr-primitives

* srml-treasury

* substrate-executor

* substrate-keystore

* network-libp2p

* substrate-service

* srml-system

* substrate-rpc

* sr-version

* substrate-telemetry

* substrate-test-runtime

* substrate-transaction-pool

* node-template-runtime

* node-primitives

* srml-consensus

* srml-contract

* srml-democracy

* srml-finality-tracker

* srml-grandpa

* srml-metadata

* srml-support

* Clean

* Update locks

substrate/core/transaction-pool/graph/Cargo.toml

@@ -9,8 +9,7 @@ error-chain = "0.12"
 futures = "0.1"
 log = "0.4"
 parking_lot = "0.7.1"
-serde = "1.0"
-serde_derive = "1.0"
+serde = { version = "1.0", features = ["derive"] }
 substrate-primitives = { path = "../../primitives" }
 sr-primitives = { path = "../../sr-primitives" }
 

substrate/core/transaction-pool/graph/src/watcher.rs

@@ -20,7 +20,7 @@ use futures::{
 	Stream,
 	sync::mpsc,
 };
-use serde_derive::{Serialize, Deserialize};
+use serde::{Serialize, Deserialize};
 
 /// Possible extrinsic status events
 #[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]