minor fix

crates/runestick/src/any_obj.rs

@@ -223,7 +223,7 @@ impl AnyObj {
     /// # Examples
     ///
     /// ```rust
-    /// use runestick::{Any, Shared, RawDrop, AnyObj};
+    /// use runestick::{Any, Shared, AnyObj};
     ///
     /// #[derive(Any)]
     /// struct Thing(u32);