Remove native and web features from dioxus-html (#3006)

* remove native and web features from dioxus-html

* Fix downcasting web events

* Fix desktop with tokio disabled

packages/html/src/ts/eval.ts

@@ -68,41 +68,3 @@ export abstract class DioxusChannel {
   // Receive data sent from javascript in rust
   abstract rustRecv(): Promise<any>;
 }
-
-export class WebDioxusChannel extends DioxusChannel {
-  js_to_rust: Channel;
-  rust_to_js: Channel;
-  owner: any;
-
-  constructor(owner: any) {
-    super();
-    this.owner = owner;
-    this.js_to_rust = new Channel();
-    this.rust_to_js = new Channel();
-  }
-
-  // Return a weak reference to this channel
-  weak(): WeakDioxusChannel {
-    return new WeakDioxusChannel(this);
-  }
-
-  // Receive message from Rust
-  async recv() {
-    return await this.rust_to_js.recv();
-  }
-
-  // Send message to rust.
-  send(data: any) {
-    this.js_to_rust.send(data);
-  }
-
-  // Send data from rust to javascript
-  rustSend(data: any) {
-    this.rust_to_js.send(data);
-  }
-
-  // Receive data sent from javascript in rust
-  async rustRecv(): Promise<any> {
-    return await this.js_to_rust.recv();
-  }
-}