Remove #[allow(raw_pointer_derive)] attributes

The attributes are unused.

Fixes #8699.

components/script/dom/bindings/callback.rs

@@ -62,7 +62,6 @@ pub struct CallbackInterface {
 
 /// A common base class for representing IDL callback function and
 /// callback interface types.
-#[allow(raw_pointer_derive)]
 #[derive(JSTraceable)]
 struct CallbackObject {
     /// The underlying `JSObject`.

components/script/dom/bindings/reflector.rs

@@ -20,7 +20,7 @@ pub fn reflect_dom_object<T: Reflectable>(obj: Box<T>,
 }
 
 /// A struct to store a reference to the reflector of a DOM object.
-#[allow(raw_pointer_derive, unrooted_must_root)]
+#[allow(unrooted_must_root)]
 #[must_root]
 #[servo_lang = "reflector"]
 #[derive(HeapSizeOf)]

components/script/dom/bindings/utils.rs

@@ -53,7 +53,6 @@ use util::mem::HeapSizeOf;
 use util::str::jsstring_to_str;
 
 /// Proxy handler for a WindowProxy.
-#[allow(raw_pointer_derive)]
 pub struct WindowProxyHandler(pub *const libc::c_void);
 
 impl HeapSizeOf for WindowProxyHandler {
@@ -63,7 +62,6 @@ impl HeapSizeOf for WindowProxyHandler {
     }
 }
 
-#[allow(raw_pointer_derive)]
 #[derive(JSTraceable, HeapSizeOf)]
 /// Static data associated with a global object.
 pub struct GlobalStaticData {
@@ -142,7 +140,6 @@ pub struct NativePropertyHooks {
 }
 
 /// The struct that holds inheritance information for DOM object reflectors.
-#[allow(raw_pointer_derive)]
 #[derive(Copy, Clone)]
 pub struct DOMClass {
     /// A list of interfaces that this object implements, in order of decreasing