Move sc-client into sc-service (#5502)

* Drop client from sc-network and sc-client-db, move LongestChain to sc-client-api

* move leaves, cht, in_mem to sc-client-api, drop client from sc-finality-grandpa

* drop sc-service from sc-rpc

* drop sc-service from sc-consensus-aura

* drop sc-client from manual-seal and babe

* drop sc-client from utils/frame/rpc/system and utils/frame/benchmarking-cli

* drop sc-client from bin/node and bin/node-template

* drop sc-client

* fix tests

* remove check -p sc-client from gitlab.yml

* fix warnings

* fixes ui test

* fix light client tests

* adds associated Client type to AbstractService

* adds UsageProvider to Client

* fixed ui test, again

* tried and failed to get node-cli to compile for wasm

* thanks to tomaka for helping me get node-cli to compile for wasmm

* ui test pls pas 🙏🏾

* all tests passing 🪄

* no_run documentation code

* rm -f documentation code

* ClientProvider

* fix mega trait

* move LongestChain to sc-consensus, use adds minimal bounds to AbstractService::Client

* adds license to sc-consensus

Co-authored-by: Benjamin Kampmann <ben@parity.io>

substrate/bin/node/testing/src/client.rs

@@ -17,7 +17,7 @@
 //! Utilities to build a `TestClient` for `node-runtime`.
 
 use sp_runtime::BuildStorage;
-
+use sc_service::client;
 /// Re-export test-client utilities.
 pub use substrate_test_client::*;
 
@@ -28,9 +28,9 @@ pub type Executor = sc_executor::NativeExecutor<node_executor::Executor>;
 pub type Backend = sc_client_db::Backend<node_primitives::Block>;
 
 /// Test client type.
-pub type Client = sc_client::Client<
+pub type Client = client::Client<
 	Backend,
-	sc_client::LocalCallExecutor<Backend, Executor>,
+	client::LocalCallExecutor<Backend, Executor>,
 	node_primitives::Block,
 	node_runtime::RuntimeApi,
 >;
@@ -61,7 +61,7 @@ pub trait TestClientBuilderExt: Sized {
 
 impl TestClientBuilderExt for substrate_test_client::TestClientBuilder<
 	node_primitives::Block,
-	sc_client::LocalCallExecutor<Backend, Executor>,
+	client::LocalCallExecutor<Backend, Executor>,
 	Backend,
 	GenesisParameters,
 > {