Clean up wasm-interpreter / winit interface

Use the window attributes hook instead of a private function in the winit backend.

internal/interpreter/api.rs

@@ -983,22 +983,6 @@ impl ComponentDefinition {
         })
     }
 
-    /// Instantiate the component for wasm using the given canvas id
-    #[cfg(target_arch = "wasm32")]
-    pub fn create_with_canvas_id(
-        &self,
-        canvas_id: &str,
-    ) -> Result<ComponentInstance, PlatformError> {
-        generativity::make_guard!(guard);
-        Ok(ComponentInstance {
-            inner: self
-                .inner
-                .unerase(guard)
-                .clone()
-                .create(WindowOptions::CreateWithCanvasId(canvas_id.into()))?,
-        })
-    }
-
     /// Instantiate the component using an existing window.
     #[doc(hidden)]
     #[cfg(feature = "internal")]