Remove generic Color in widgets

examples/tour/src/iced_ggez/renderer/debugger.rs

@@ -2,8 +2,6 @@ use super::{into_color, Renderer};
 use ggez::graphics::{DrawMode, MeshBuilder, Rect};
 
 impl iced::renderer::Debugger for Renderer<'_> {
-    type Color = iced::Color;
-
     fn explain(&mut self, layout: &iced::Layout<'_>, color: iced::Color) {
         let bounds = layout.bounds();
 

examples/tour/src/iced_ggez/renderer/text.rs

@@ -5,7 +5,7 @@ use iced::text;
 use std::cell::RefCell;
 use std::f32;
 
-impl text::Renderer<iced::Color> for Renderer<'_> {
+impl text::Renderer for Renderer<'_> {
     fn node(
         &self,
         style: iced::Style,