Core - Remove API versioning, we have MinimumVersion to achieve the same thing

src/Artemis.Core/Plugins/LayerBrushes/LayerBrushProvider.cs

@@ -16,7 +16,7 @@ public abstract class LayerBrushProvider : PluginFeature
     /// </summary>
     protected LayerBrushProvider()
     {
-        _layerBrushDescriptors = new List<LayerBrushDescriptor>();
+        _layerBrushDescriptors = [];
         LayerBrushDescriptors = new ReadOnlyCollection<LayerBrushDescriptor>(_layerBrushDescriptors);
         Disabled += OnDisabled;
     }