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/service/src/config.rs

@@ -23,7 +23,7 @@ pub use sc_client_db::{Database, DatabaseSource, KeepBlocks, PruningMode, Transa
 pub use sc_executor::WasmExecutionMethod;
 pub use sc_network::{
 	config::{
-		ExtTransport, IncomingRequest, MultiaddrWithPeerId, NetworkConfiguration, NodeKeyConfig,
+		IncomingRequest, MultiaddrWithPeerId, NetworkConfiguration, NodeKeyConfig,
 		NonDefaultSetConfig, OutgoingResponse, RequestResponseConfig, Role, SetConfig,
 		TransportConfig,
 	},
@@ -107,9 +107,6 @@ pub struct Configuration {
 	pub prometheus_config: Option<PrometheusConfig>,
 	/// Telemetry service URL. `None` if disabled.
 	pub telemetry_endpoints: Option<TelemetryEndpoints>,
-	/// External WASM transport for the telemetry. If `Some`, when connection to a telemetry
-	/// endpoint, this transport will be tried in priority before all others.
-	pub telemetry_external_transport: Option<ExtTransport>,
 	/// The default number of 64KB pages to allocate for Wasm execution
 	pub default_heap_pages: Option<u64>,
 	/// Should offchain workers be executed.