fixed asserts

Assets/ScriptableRenderLoop/fptl/FptlLighting.cs

 
 			m_DeferredMaterial = new Material(deferredShader);
 			m_DeferredReflectionMaterial = new Material(deferredReflectionShader);
-
+			m_DeferredMaterial.hideFlags = HideFlags.HideAndDontSave;
+			m_DeferredReflectionMaterial.hideFlags = HideFlags.HideAndDontSave;
 
 			kGenAABBKernel = m_BuildScreenAABBShader.FindKernel("ScreenBoundsAABB");
 			kGenListPerTileKernel = m_BuildPerTileLightListShader.FindKernel("TileLightListGen");