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/utils/browser/src/lib.rs

@@ -98,6 +98,10 @@ where
 		max_runtime_instances: 8,
 		announce_block: true,
 		base_path: None,
+		informant_output_format: sc_informant::OutputFormat {
+			enable_color: false,
+			prefix: String::new(),
+		},
 	};
 
 	Ok(config)