Kill the light client, CHTs and change tries. (#10080)

* Remove light client, change tries and CHTs

* Update tests

* fmt

* Restore changes_root

* Fixed benches

* Cargo fmt

* fmt

* fmt

substrate/utils/frame/try-runtime/cli/src/commands/follow_chain.rs

@@ -152,12 +152,7 @@ where
 			.map_err(|e| format!("failed to decode output: {:?}", e))?;
 
 		let storage_changes = changes
-			.drain_storage_changes::<_, _, NumberFor<Block>>(
-				&state_ext.backend,
-				None,
-				Default::default(),
-				&mut Default::default(),
-			)
+			.drain_storage_changes(&state_ext.backend, Default::default(), &mut Default::default())
 			.unwrap();
 		state_ext.backend.apply_transaction(
 			storage_changes.transaction_storage_root,

substrate/utils/frame/try-runtime/cli/src/lib.rs

@@ -680,9 +680,8 @@ pub(crate) fn state_machine_call<Block: BlockT, D: NativeExecutionDispatch + 'st
 	extensions: Extensions,
 ) -> sc_cli::Result<(OverlayedChanges, Vec<u8>)> {
 	let mut changes = Default::default();
-	let encoded_results = StateMachine::<_, _, NumberFor<Block>, _>::new(
+	let encoded_results = StateMachine::new(
 		&ext.backend,
-		None,
 		&mut changes,
 		executor,
 		method,