chore(common): remove stylesheet id from server getting started

Author: marin-bratanov

getting-started/server-blazor.md

@@ -50,7 +50,7 @@ To use Blazor server-side, you need to use the `Razor Components` type of projec
 
     **HTML**
 
-        <link id="kendoCss" rel="stylesheet" href="https://unpkg.com/@@progress/kendo-theme-default@@latest/dist/all.css" />
+        <link rel="stylesheet" href="https://unpkg.com/@@progress/kendo-theme-default@@latest/dist/all.css" />
 
 1. @[template](/_contentTemplates/common/js-interop-file.md#add-js-interop-file-to-getting-started-server)