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/service/src/config.rs

@@ -109,6 +109,8 @@ pub struct Configuration {
 	pub announce_block: bool,
 	/// Base path of the configuration
 	pub base_path: Option<BasePath>,
+	/// Configuration of the output format that the informant uses.
+	pub informant_output_format: sc_informant::OutputFormat,
 }
 
 /// Type for tasks spawned by the executor.