Remove now redundant Overlay::is_over

The `mouse_interaction` method can be properly used
now to encode hover status with the `None` and `Idle`
variants.

widget/src/lazy.rs

@@ -18,7 +18,7 @@ use crate::core::renderer;
 use crate::core::widget::tree::{self, Tree};
 use crate::core::widget::{self, Widget};
 use crate::core::{
-    self, Clipboard, Event, Length, Point, Rectangle, Shell, Size, Vector,
+    self, Clipboard, Event, Length, Rectangle, Shell, Size, Vector,
 };
 use crate::runtime::overlay::Nested;
 
@@ -378,11 +378,10 @@ where
         &self,
         layout: Layout<'_>,
         cursor: mouse::Cursor,
-        viewport: &Rectangle,
         renderer: &Renderer,
     ) -> mouse::Interaction {
         self.with_overlay_maybe(|overlay| {
-            overlay.mouse_interaction(layout, cursor, viewport, renderer)
+            overlay.mouse_interaction(layout, cursor, renderer)
         })
         .unwrap_or_default()
     }
@@ -400,18 +399,6 @@ where
             overlay.update(event, layout, cursor, renderer, clipboard, shell);
         });
     }
-
-    fn is_over(
-        &self,
-        layout: Layout<'_>,
-        renderer: &Renderer,
-        cursor_position: Point,
-    ) -> bool {
-        self.with_overlay_maybe(|overlay| {
-            overlay.is_over(layout, renderer, cursor_position)
-        })
-        .unwrap_or_default()
-    }
 }
 
 impl<'a, Message, Theme, Renderer, Dependency, View>