Core - Refactored layout loading, fixing LED images

Core - Make a better effort at removing orphaned devices from device providers that failed to load

src/Artemis.Core/Services/RenderService.cs

@@ -56,9 +56,6 @@ internal class RenderService : IRenderService, IRenderer, IDisposable
     /// <inheritdoc />
     public RGBSurface Surface => _surfaceManager.Surface;
 
-    /// <inheritdoc />
-    public List<IRenderer> Renderers { get; } = new();
-
     /// <inheritdoc />
     public bool IsPaused
     {