Layers - Seperated activation and removal of layers/effects

Effects - Added effects UI, order is still a bit messed up and reordering is missed
Effects - Added renaming of effects on the layer

src/Artemis.Core/Models/Profile/LayerProperties/Types/LayerEffectReferenceLayerProperty.cs

@@ -1,22 +0,0 @@
-using Artemis.Core.Exceptions;
-
-namespace Artemis.Core.Models.Profile.LayerProperties.Types
-{
-    /// <summary>
-    /// A special layer property used to configure the selected layer effect
-    /// </summary>
-    public class LayerEffectReferenceLayerProperty : LayerProperty<LayerEffectReference>
-    {
-        internal LayerEffectReferenceLayerProperty()
-        {
-            KeyframesSupported = false;
-        }
-
-        protected override void UpdateCurrentValue(float keyframeProgress, float keyframeProgressEased)
-        {
-            throw new ArtemisCoreException("Layer effect references do not support keyframes.");
-        }
-
-        public static implicit operator LayerEffectReference(LayerEffectReferenceLayerProperty p) => p.CurrentValue;
-    }
-}