Remove 0x0 rect example, since those apparently aren't allowed

src/sdl2/rect.rs

@@ -303,9 +303,9 @@ impl Rect {
     ///
     /// Points along the right and bottom edges are not considered to be inside
     /// the rectangle; this way, a 1-by-1 rectangle contains only a single
-    /// point, and a 0-by-0 rectangle contains no points at all.  Another way
-    /// to look at it is that this method returns true if and only if the given
-    /// point would be painted by a call to [`Renderer::fill_rect`](
+    /// point.  Another way to look at it is that this method returns true if
+    /// and only if the given point would be painted by a call to
+    /// [`Renderer::fill_rect`](
     /// ../render/struct.Renderer.html#method.fill_rect).
     ///
     /// # Examples
@@ -317,8 +317,6 @@ impl Rect {
     /// assert!(!rect.contains(Point::new(0, 1)));
     /// assert!(rect.contains(Point::new(3, 5)));
     /// assert!(!rect.contains(Point::new(4, 6)));
-    /// let rect = Rect::new(1, 2, 0, 0);
-    /// assert!(!rect.contains(Point::new(1, 2)));
     /// ```
     pub fn contains<P>(&self, point: P) -> bool where P: Into<(i32, i32)> {
         let (x, y) = point.into();