Update winit to 0.30

src/application.rs

@@ -212,26 +212,11 @@ where
             ..crate::graphics::Settings::default()
         };
 
-        let run = crate::shell::application::run::<
+        Ok(crate::shell::application::run::<
             Instance<Self>,
             Self::Executor,
             <Self::Renderer as compositor::Default>::Compositor,
-        >(settings.into(), renderer_settings);
-
-        #[cfg(target_arch = "wasm32")]
-        {
-            use crate::futures::FutureExt;
-            use iced_futures::backend::wasm::wasm_bindgen::Executor;
-
-            Executor::new()
-                .expect("Create Wasm executor")
-                .spawn(run.map(|_| ()));
-
-            Ok(())
-        }
-
-        #[cfg(not(target_arch = "wasm32"))]
-        Ok(crate::futures::executor::block_on(run)?)
+        >(settings.into(), renderer_settings)?)
     }
 }