remove currently unused reportWebVitals.ts

src/main.tsx

 import React from "react";
 import ReactDOM from "react-dom/client";
 import App from "./App";
-import reportWebVitals from "./reportWebVitals";
 import { BrowserRouter } from "react-router-dom";
 import { Provider } from "react-redux";
 import { store } from "./store";
@@ -18,8 +17,3 @@ root.render(
     </BrowserRouter>
   </React.StrictMode>
 );
-
-// If you want to start measuring performance in your app, pass a function
-// to log results (for example: reportWebVitals(console.log))
-// or send to an analytics endpoint. Learn more: https://bit.ly/CRA-vitals
-reportWebVitals();

src/reportWebVitals.ts

-import { ReportHandler } from "web-vitals";
-
-const reportWebVitals = (onPerfEntry?: ReportHandler) => {
-  if (onPerfEntry && onPerfEntry instanceof Function) {
-    import("web-vitals").then(({ getCLS, getFID, getFCP, getLCP, getTTFB }) => {
-      getCLS(onPerfEntry);
-      getFID(onPerfEntry);
-      getFCP(onPerfEntry);
-      getLCP(onPerfEntry);
-      getTTFB(onPerfEntry);
-    });
-  }
-};
-
-export default reportWebVitals;