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, 0 insertions, 8 deletions

diff --git a/examples/game_of_life/src/main.rs b/examples/game_of_life/src/main.rs
index 2d46634f..bc6c3708 100644
--- a/examples/game_of_life/src/main.rs
+++ b/examples/game_of_life/src/main.rs
@@ -6,7 +6,6 @@ mod style;
 use grid::Grid;
 use iced::button::{self, Button};
 use iced::executor;
-use iced::menu::{self, Menu};
 use iced::pick_list::{self, PickList};
 use iced::slider::{self, Slider};
 use iced::time;
@@ -130,13 +129,6 @@ impl Application for GameOfLife {
         }
     }
 
-    fn menu(&self) -> Menu<Message> {
-        Menu::with_entries(vec![menu::Entry::dropdown(
-            "Presets",
-            Preset::menu().map(Message::PresetPicked),
-        )])
-    }
-
     fn view(&mut self) -> Element<Message> {
         let version = self.version;
         let selected_speed = self.next_speed.unwrap_or(self.speed);