Remove default params in render pass module

vulkano/src/framebuffer/framebuffer.rs

@@ -118,7 +118,7 @@ use vk;
 /// };
 /// # }
 /// ```
-pub struct Framebuffer<Rp, A = Box<AttachmentsList>> {        // TODO: remove default params
+pub struct Framebuffer<Rp, A> {
     device: Arc<Device>,
     render_pass: Rp,
     framebuffer: vk::Framebuffer,

vulkano/src/framebuffer/sys.rs

@@ -42,7 +42,7 @@ use vk;
 ///
 /// The `RenderPass` struct should always implement the `RenderPassAbstract` trait. Therefore
 /// you can turn any `Arc<RenderPass<D>>` into a `Arc<RenderPassAbstract>` if you need to.
-pub struct RenderPass<D> {        // TODO: remove default param type
+pub struct RenderPass<D> {
     // The internal Vulkan object.
     renderpass: vk::RenderPass,