Replace import with qualified path for unbounded channel

Co-authored-by: Robert Swain <[email protected]>

Author: aevyrie

crates/bevy_render/src/view/visibility/mod.rs

@@ -1,13 +1,10 @@
 mod render_layers;
-
-use bevy_math::Vec3A;
-use crossbeam_channel::unbounded;
-
 pub use render_layers::*;
 
 use bevy_app::{CoreStage, Plugin};
 use bevy_asset::{Assets, Handle};
 use bevy_ecs::prelude::*;
+use bevy_math::Vec3A;
 use bevy_reflect::Reflect;
 use bevy_transform::components::GlobalTransform;
 use bevy_transform::TransformSystem;
@@ -157,7 +154,7 @@ pub fn check_visibility(
         visible_entities.entities.clear();
         let view_mask = maybe_view_mask.copied().unwrap_or_default();
 
-        let (visible_entity_sender, visible_entity_receiver) = unbounded();
+        let (visible_entity_sender, visible_entity_receiver) = crossbeam_channel::unbounded();
 
         visible_entity_query.par_for_each_mut(
             &thread_pool,