chore: remove excalidraw-patch.js script and its reference from index.html

Author: atyrode

src/frontend/excalidraw-patch.js

@@ -21,7 +21,6 @@
 
       window.ExcalidrawLib = ExcalidrawLib;
     </script>
-    <script type="module" src="excalidraw-patch.js"></script>
     <script type="module" src="index.tsx"></script>
   </body>
 </html>