Remove unnecessary boxing of warp filters

This was needed because of a compiler regression. Now that we're using
Rust 1.58 there is no benefit to boxing them

crates/handlers/src/lib.rs

@@ -55,14 +55,7 @@ pub fn root(
     );
     let static_files = static_files(config.http.web_root.clone());
 
-    let filter = health
-        .or(views)
-        .unify()
-        .or(static_files)
-        .unify()
-        .boxed()
-        .or(oauth2)
-        .boxed();
+    let filter = health.or(views).unify().or(static_files).unify().or(oauth2);
 
     filter.with(warp::log(module_path!())).boxed()
 }

crates/handlers/src/oauth2/mod.rs

@@ -53,18 +53,13 @@ pub fn filter(
     let filter = discovery
         .or(keys)
         .unify()
-        .boxed()
         .or(userinfo)
         .unify()
-        .boxed()
         .or(token)
         .unify()
-        .boxed()
         .or(introspection)
         .unify()
-        .boxed()
-        .with(cors().allow_methods([Method::POST, Method::GET]))
-        .boxed();
+        .with(cors().allow_methods([Method::POST, Method::GET]));
 
     filter.or(authorization).boxed()
 }

crates/handlers/src/views/mod.rs

@@ -47,8 +47,16 @@ pub(super) fn filter(
     let logout = logout(pool, cookies_config);
     let reauth = reauth(pool, templates, csrf_config, cookies_config);
 
-    let f1 = index.or(account).unify().boxed();
-    let f2 = login.or(register).unify().boxed();
-    let f3 = logout.or(reauth).unify().boxed();
-    f1.or(f2).unify().or(f3).unify().boxed()
+    index
+        .or(account)
+        .unify()
+        .or(login)
+        .unify()
+        .or(register)
+        .unify()
+        .or(logout)
+        .unify()
+        .or(reauth)
+        .unify()
+        .boxed()
 }