Layers - Finished effects on layers, groups still missing

Effects - Added filter effect with different SkiaSharp image filters

src/Artemis.Core/Services/Interfaces/ILayerService.cs

@@ -17,6 +17,12 @@ namespace Artemis.Core.Services.Interfaces
         /// <returns></returns>
         Layer CreateLayer(Profile profile, ProfileElement parent, string name);
 
+        /// <summary>
+        ///     Removes the currently active layer brush from the <see cref="Layer" /> and deletes any settings     
+        /// </summary>
+        /// <param name="layer">The layer to remove the active brush from</param>
+        void RemoveLayerBrush(Layer layer);
+
         /// <summary>
         ///     Instantiates and adds the <see cref="BaseLayerBrush" /> described by the provided
         ///     <see cref="LayerBrushDescriptor" />