Fix the browser node and ensure it doesn't colour the informant output (#6457)

* Fix browser informant

* Fix documentation

* Add an informant_output_format function to the cli config

* Wrap informant output format in an option

* Revert batch verifier

* Remove wasm-timer from primitives io cargo lock

* Drop informant_output_format function

* derive debug for output format

substrate/client/cli/src/config.rs

@@ -474,6 +474,7 @@ pub trait CliConfiguration: Sized {
 			announce_block: self.announce_block()?,
 			role,
 			base_path: Some(base_path),
+			informant_output_format: Default::default(),
 		})
 	}