Remove some irrelevant code.

src_testbed/lib.rs

@@ -1,9 +1,9 @@
 #[macro_use]
 extern crate kiss3d;
 #[cfg(feature = "dim2")]
-extern crate eagl2d as eagl;
+extern crate cdl2d as cdl;
 #[cfg(feature = "dim3")]
-extern crate eagl3d as eagl;
+extern crate cdl3d as cdl;
 extern crate nalgebra as na;
 #[cfg(feature = "dim2")]
 extern crate ncollide2d as ncollide;

src_testbed/objects/heightfield.rs

@@ -1,6 +1,6 @@
 #[cfg(feature = "dim3")]
 use crate::objects::node::{self, GraphicsNode};
-use eagl::shape;
+use cdl::shape;
 use kiss3d::resource::Mesh;
 use kiss3d::window::Window;
 use na::{self, Point3};

src_testbed/objects/polyline.rs

@@ -1,4 +1,4 @@
-use eagl2d::shape;
+use cdl2d::shape;
 use kiss3d::window::Window;
 use na::{Isometry2, Point2, Point3};
 use nphysics2d::object::{ColliderAnchor, DefaultColliderHandle, DefaultColliderSet};