Additional cleanup of prelude imports in editor codebase

Closes #744

editor/src/messages/tool/common_functionality/overlay_renderer.rs

@@ -13,7 +13,6 @@ use graphene::layers::vector::subpath::Subpath;
 use graphene::{LayerId, Operation};
 
 use glam::{DAffine2, DVec2};
-use std::collections::{HashMap, VecDeque};
 
 /// [ManipulatorGroupOverlay]s is the collection of overlays that make up an [ManipulatorGroup] visible in the editor.
 type ManipulatorGroupOverlays = [Option<Vec<LayerId>>; 5];

editor/src/messages/tool/common_functionality/path_outline.rs

@@ -10,7 +10,6 @@ use graphene::layers::vector::subpath::Subpath;
 use graphene::{LayerId, Operation};
 
 use glam::{DAffine2, DVec2};
-use std::collections::VecDeque;
 
 /// Manages the overlay used by the select tool for outlining selected shapes and when hovering over a non selected shape.
 #[derive(Clone, Debug, Default)]

editor/src/messages/tool/common_functionality/shape_editor.rs

@@ -8,7 +8,6 @@ use graphene::{LayerId, Operation};
 
 use glam::DVec2;
 use graphene::document::Document;
-use std::collections::VecDeque;
 
 /// ShapeEditor is the container for all of the layer paths that are represented as [Subpath]s and provides
 /// functionality required to query and create the [Subpath] / [ManipulatorGroup]s / [ManipulatorPoint]s.