idk why it works now, help

Program.cs

@@ -1,39 +0,0 @@
-using MauMau_Server.Websockets;
-
-var builder = WebApplication.CreateBuilder(args);
-
-// Add services to the container.
-var services = builder.Services;
-services.AddControllers();
-// Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
-services.AddEndpointsApiExplorer();
-services.AddSwaggerGen();
-services.AddScoped<IRoomManager, RoomManager>();
-
-var app = builder.Build();
-
-// Configure the HTTP request pipeline.
-if (app.Environment.IsDevelopment())
-{
-    app.UseSwagger();
-    app.UseSwaggerUI();
-}
-
-var webSocketOptions = new WebSocketOptions()
-{
-    KeepAliveInterval = TimeSpan.FromSeconds(120),
-};
-
-app.UseWebSockets(webSocketOptions);
-
-app.UseCors(policyBuilder =>
-{
-    policyBuilder.AllowAnyOrigin();
-    policyBuilder.AllowAnyMethod();
-    policyBuilder.AllowAnyHeader();
-});
-
-app.UseHttpsRedirection();
-app.UseAuthorization();
-app.MapControllers();
-app.Run();