Remove resize debug message

apps/sandbox/src/main.rs

@@ -118,7 +118,6 @@ impl PanelWindow {
                 self.current_size = size;
 
                 let size = canary::Vec2::new(size.x, size.y);
-                println!("resizing: {:?}", size);
                 self.panel.on_resize(size / PX_PER_MM);
             }