Do not show cookie UI

ScriptableRenderPipeline/LightweightPipeline/LWRP/Editor/LightweightLightEditor.cs

 
             ShadowsGUI();
 
+            /* Tim: Disable cookie for v1 to save on shader combinations
             using (var group = new EditorGUILayout.FadeGroupScope(animShowRuntimeOptions.faded))
                 if (group.visible)
                     DrawCookie();
                 if (group.visible)
                     DrawCookieSize();
+           */
 
             settings.DrawRenderMode();
             settings.DrawCullingMask();