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/network/Cargo.toml

@@ -63,7 +63,6 @@ unsigned-varint = { version = "0.6.0", features = [
     "asynchronous_codec",
 ] }
 void = "1.0.2"
-wasm-timer = "0.2"
 zeroize = "1.2.0"
 
 [dependencies.libp2p]