Remove substrate-in-the-browser (#9541)

* Comment out browser stuff

* Remove browser stuff

* Remove more wasm transport code

* Remove ExtTransport and rework how telemetry initialises.

* Change (most) wasm-timer using code to use std::time

* Rename CI-job

* Aura does not compile for wasm

* Remove testing in the browser on CI

* Update README

* Leave `StreamSink` be

* fmt

substrate/client/consensus/common/src/import_queue/basic_queue.rs

@@ -289,7 +289,7 @@ impl<B: BlockT> BlockImportWorker<B> {
 		number: NumberFor<B>,
 		justification: Justification,
 	) {
-		let started = wasm_timer::Instant::now();
+		let started = std::time::Instant::now();
 
 		let success = match self.justification_import.as_mut() {
 			Some(justification_import) => justification_import