Temporarily disable conway portrait.

src/slide/s4_automata.rs

@@ -110,11 +110,13 @@ impl Slide for Automata {
         });
 
         // TODO: Fade/move/position as appropriate.
-        Image::default().show(
-            ui,
-            self.conway_portrait
-                .get_or_insert_with(|| ctx_img!(ui.ctx(), "conway_portrait.png")),
-        );
+        if false {
+            Image::default().show(
+                ui,
+                self.conway_portrait
+                    .get_or_insert_with(|| ctx_img!(ui.ctx(), "conway_portrait.png")),
+            );
+        }
 
         // Need to continuously animate the grid, or at least poll the governor.
         ui.ctx().request_repaint();