Fix build issues

Author: MackinnonBuck

src/Components/Web.JS/dist/Release/blazor.web.js

@@ -2,7 +2,6 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System.Diagnostics.CodeAnalysis;
-using System.Globalization;
 using System.Reflection.Metadata;
 using Microsoft.AspNetCore.Components.Infrastructure;
 using Microsoft.AspNetCore.Components.Web.Infrastructure;

src/Components/WebAssembly/WebAssembly/src/Hosting/WebAssemblyHost.cs

@@ -2,7 +2,6 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System.Diagnostics.CodeAnalysis;
-using System.Globalization;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices.JavaScript;
 using Microsoft.AspNetCore.Components.RenderTree;