Remove BOM from UTF-8 files

I think some people need to change their IDE configuration ;)

fuzz/Emby.Server.Implementations.Fuzz/Program.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using AutoFixture;
 using AutoFixture.AutoMoq;
 using Emby.Server.Implementations.Data;

fuzz/Jellyfin.Api.Fuzz/Program.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using Jellyfin.Api.Middleware;
 using Microsoft.AspNetCore.Http;