Remove unused type.

examples/simple_ssr/src/bin/simple_ssr_server.rs

@@ -8,7 +8,6 @@ use clap::Parser;
 use futures::stream::{self, Stream, StreamExt};
 use simple_ssr::App;
 use warp::Filter;
-use yew::platform::Runtime;
 
 type BoxedError = Box<dyn Error + Send + Sync + 'static>;
 
@@ -20,12 +19,6 @@ struct Opt {
     dir: PathBuf,
 }
 
-// An executor to process requests on the Yew runtime.
-#[derive(Clone, Default)]
-struct Executor {
-    inner: Runtime,
-}
-
 async fn render(
     index_html_before: String,
     index_html_after: String,