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/finality-grandpa/Cargo.toml

@@ -45,7 +45,6 @@ prometheus-endpoint = { package = "substrate-prometheus-endpoint", path = "../..
 sc-block-builder = { version = "0.10.0-dev", path = "../block-builder" }
 finality-grandpa = { version = "0.14.1", features = ["derive-codec"] }
 async-trait = "0.1.50"
-wasm-timer = "0.2"
 
 [dev-dependencies]
 assert_matches = "1.3.0"

substrate/client/finality-grandpa/src/communication/gossip.rs

@@ -101,9 +101,8 @@ use crate::{environment, CatchUp, CompactCommit, SignedMessage};
 
 use std::{
 	collections::{HashMap, HashSet, VecDeque},
-	time::Duration,
+	time::{Duration, Instant},
 };
-use wasm_timer::Instant;
 
 const REBROADCAST_AFTER: Duration = Duration::from_secs(60 * 5);
 const CATCH_UP_REQUEST_TIMEOUT: Duration = Duration::from_secs(45);

substrate/client/finality-grandpa/src/until_imported.rs

@@ -46,9 +46,8 @@ use std::{
 	pin::Pin,
 	sync::Arc,
 	task::{Context, Poll},
-	time::Duration,
+	time::{Duration, Instant},
 };
-use wasm_timer::Instant;
 
 const LOG_PENDING_INTERVAL: Duration = Duration::from_secs(15);