lib8: drop custom RGB8 struct for rgb crate

src/smart_leds_lib.rs

@@ -5,7 +5,6 @@ use crate::render::{Surface, SurfacePool, Display, Surfaces};
 use crate::task::Task;
 use crate::power::{brightness_for_mw, AsMilliwatts};
 use crate::time::Periodically;
-use crate::lib8::RGB8;
 use crate::geometry::*;
 
 use smart_leds::brightness;
@@ -77,14 +76,14 @@ impl<T: SmartLedsWrite<Color = Rgb<u8>>, S: Surface> Display<S> for SmartLedDisp
     fn render_frame(&mut self) {
         for x in 0..self.pixbuf.len() {
             let virt_coords = VirtualCoordinates::new(x as u8, 0);
-            let mut pixel = RGB8::new(0, 0, 0);
+            let mut pixel = Rgb::new(0, 0, 0);
             for surface in self.surfaces.iter() {
                 surface.with_shader(|shader| {
                     pixel = shader.draw(virt_coords.clone());
                 })
             }
             self.total_mw += pixel.as_milliwatts();
-            self.pixbuf[x] = Rgb::new(pixel.red, pixel.green, pixel.blue);
+            self.pixbuf[x] = Rgb::new(pixel.r, pixel.g, pixel.b);
         };
     }
 }