Revert system menus support

The current implementation has some important issues on Windows. We will reintroduce the feature once we figure them out!

I have kept some of the changes in #945, like the new `keyboard::Modifiers` powered by `bitflags`.

1 files changed, 6 insertions, 19 deletions

diff --git a/glutin/src/application.rs b/glutin/src/application.rs
index 936f0cce..fa2192d8 100644
--- a/glutin/src/application.rs
+++ b/glutin/src/application.rs
@@ -51,15 +51,12 @@ where
     let subscription = application.subscription();
 
     let context = {
-        let builder = settings
-            .window
-            .into_builder(
-                &application.title(),
-                application.mode(),
-                event_loop.primary_monitor(),
-                settings.id,
-            )
-            .with_menu(Some(conversion::menu(&application.menu())));
+        let builder = settings.window.into_builder(
+            &application.title(),
+            application.mode(),
+            event_loop.primary_monitor(),
+            settings.id,
+        );
 
         let context = ContextBuilder::new()
             .with_vsync(true)
@@ -332,16 +329,6 @@ async fn run_instance<A, E, C>(
                 // Maybe we can use `ControlFlow::WaitUntil` for this.
             }
             event::Event::WindowEvent {
-                event: event::WindowEvent::MenuEntryActivated(entry_id),
-                ..
-            } => {
-                if let Some(message) =
-                    conversion::menu_message(state.menu(), entry_id)
-                {
-                    messages.push(message);
-                }
-            }
-            event::Event::WindowEvent {
                 event: window_event,
                 ..
             } => {