Remove unused SpeedInsights import from layout.tsx for cleaner codeba…

…se and better readability

src/app/layout.tsx

@@ -3,7 +3,6 @@ import Navbar from "@/components/Navbar";
 import { ThemeProvider } from "@/components/theme-provider";
 import { Toaster } from "@/components/ui/sonner";
 import "@/styles/globals.css";
-import { SpeedInsights } from "@vercel/speed-insights/next";
 import { Inter } from "next/font/google";
 import React from "react";