Strip remaining UI additions to feature

ScriptableRenderPipeline/LightweightPipeline/LWRP/Editor/LightweightAssetEditor.cs

         }
 
         AnimBool m_ShowSoftParticles = new AnimBool();
-        AnimBool m_ShowScreenSpaceShadows = new AnimBool();
 
         private int kMaxSupportedPixelLights = 8;
         private float kMinRenderScale = 0.1f;
         void OnDisable()
         {
             m_ShowSoftParticles.valueChanged.RemoveListener(Repaint);
-            m_ShowScreenSpaceShadows.valueChanged.RemoveListener(Repaint);
-
-            //TODO: Right now disabling MSAA cuts the depth prepass to generate the depth texture. For now, disable SS shadows as well.
-            //      When the depth prepass does not occur, depth is copied *after* opaque, which does not help us in this situation.
-            m_ShowScreenSpaceShadows.target = m_RequireDepthTextureProp.boolValue && m_MSAA.intValue > 1;
         }
 
         void DrawAnimatedProperty(SerializedProperty prop, GUIContent content, AnimBool animation)