Cleanup demo files

FoodsharingSiegen.Server/Data/WeatherForecast.cs

@@ -1,12 +0,0 @@
-namespace FoodsharingSiegen.Server.Data;
-
-public class WeatherForecast
-{
-    public DateTime Date { get; set; }
-
-    public int TemperatureC { get; set; }
-
-    public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
-
-    public string? Summary { get; set; }
-}

FoodsharingSiegen.Server/Data/WeatherForecastService.cs

@@ -1,19 +0,0 @@
-namespace FoodsharingSiegen.Server.Data;
-
-public class WeatherForecastService
-{
-    private static readonly string[] Summaries = new[]
-    {
-        "Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"
-    };
-
-    public Task<WeatherForecast[]> GetForecastAsync(DateTime startDate)
-    {
-        return Task.FromResult(Enumerable.Range(1, 5).Select(index => new WeatherForecast
-        {
-            Date = startDate.AddDays(index),
-            TemperatureC = Random.Shared.Next(-20, 55),
-            Summary = Summaries[Random.Shared.Next(Summaries.Length)]
-        }).ToArray());
-    }
-}