bringing docs up to date

src/compute/managed/compu_sprite.rs

@@ -1,6 +1,5 @@
 use std::sync::Arc;
 use crate::canvas::managed::handles::{CanvasImageHandle, CanvasTextureHandle};
-use crate::canvas::canvas_frame::Drawable;
 
 pub struct CompuSprite {
     pub vertices: [(f32, f32, f32); 6],
@@ -48,24 +47,3 @@ impl CompuSprite {
     }
 }
 
-impl Drawable for CompuSprite {
-    fn get_vertices(&self) -> Vec<(f32, f32, f32)> {
-        self.vertices.to_vec()
-    }
-
-    fn get_color(&self) -> (f32, f32, f32, f32) {
-        self.color
-    }
-
-    fn get_ti_coords(&self) -> Vec<(f32, f32)> {
-        self.ti_position.to_vec()
-    }
-
-    fn get_texture_handle(&self) -> Option<Arc<CanvasTextureHandle>> {
-        None
-    }
-
-    fn get_image_handle(&self) -> Option<Arc<CanvasImageHandle>> {
-        Some(self.image_handle.clone())
-    }
-}