update(image-annotator-react): remove dead code

Author: gary-Shen

packages/image-annotator-react/src/ImageAnnotator.tsx

@@ -491,21 +491,6 @@ function ForwardAnnotator(
     [updateAnnotationsWithGlobal],
   );
 
-  const onAnnotationDelete = useCallback(
-    (restAnnotations: AnnotationWithTool[]) => {
-      const annotationGroupByTool: AllAnnotationMapping = {};
-
-      restAnnotations.forEach((item) => {
-        annotationGroupByTool[item.id] = item;
-      });
-
-      updateAnnotationsWithGlobal(() => {
-        return annotationGroupByTool;
-      });
-    },
-    [updateAnnotationsWithGlobal],
-  );
-
   const onAnnotationChange = useCallback(
     (_annotation: AnnotationWithTool, skipHistory?: boolean) => {
       updateAnnotationsWithGlobal((pre) => {

packages/image-annotator-react/src/Toolbar/index.tsx

@@ -76,14 +76,6 @@ export function AnnotatorToolbar({ right }: IToolbarInEditorProps) {
     undo();
   }, [undo]);
 
-  const handleUndo = useCallback(() => {
-    if (dragModalRef.current?.getVisibility()) {
-      return;
-    }
-
-    undo();
-  }, [undo]);
-
   const handleToolChange = (tool: ToolName) => () => {
     engine.switch(tool, memorizeToolLabel.current?.[tool]?.value);
   };