Remove more unused code related to GitHub auth and errors

crates/collab/src/errors.rs

@@ -1,47 +1,3 @@
-use crate::{AppState, LayoutData, Request, RequestExt};
-use async_trait::async_trait;
-use serde::Serialize;
-use std::sync::Arc;
-use tide::http::mime;
-
-pub struct Middleware;
-
-#[async_trait]
-impl tide::Middleware<Arc<AppState>> for Middleware {
-    async fn handle(
-        &self,
-        mut request: Request,
-        next: tide::Next<'_, Arc<AppState>>,
-    ) -> tide::Result {
-        let app = request.state().clone();
-        let layout_data = request.layout_data().await?;
-
-        let mut response = next.run(request).await;
-
-        #[derive(Serialize)]
-        struct ErrorData {
-            #[serde(flatten)]
-            layout: Arc<LayoutData>,
-            status: u16,
-            reason: &'static str,
-        }
-
-        if !response.status().is_success() {
-            response.set_body(app.render_template(
-                "error.hbs",
-                &ErrorData {
-                    layout: layout_data,
-                    status: response.status().into(),
-                    reason: response.status().canonical_reason(),
-                },
-            )?);
-            response.set_content_type(mime::HTML);
-        }
-
-        Ok(response)
-    }
-}
-
 // Allow tide Results to accept context like other Results do when
 // using anyhow.
 pub trait TideResultExt {