remove state generic from a lot of things

core/src/render/mod.rs

@@ -59,7 +59,7 @@ impl UiRenderNode {
         }
     }
 
-    pub fn update<State>(&mut self, device: &Device, queue: &Queue, ui: &mut Ui<State>) {
+    pub fn update(&mut self, device: &Device, queue: &Queue, ui: &mut Ui) {
         self.active.clear();
         for (i, primitives) in ui.layers.iter_mut() {
             self.active.push(i);