chore: Remove unused files

Author: SimYunSup

DotnetDevKR.TailwindCSS.WebTest/Pages/Counter.razor

@@ -6,7 +6,6 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>DotnetDevKR.TailwindCSS.WebTest</title>
     <base href="/" />
-    <link rel="stylesheet" href="lib/bootstrap/dist/css/bootstrap.min.css" />
     <link rel="stylesheet" href="css/app.css" />
     <link rel="icon" type="image/png" href="favicon.png" />
     <link href="DotnetDevKR.TailwindCSS.WebTest.styles.css" rel="stylesheet" />
@@ -29,4 +28,4 @@
     <script src="_framework/blazor.webassembly.js"></script>
 </body>
 
-</html>
+</html>