Moved Diffusion Profile asset menu item

ScriptableRenderPipeline/LightweightPipeline/LWRP/Editor/DiffusionProfile/DiffusionProfileSettingsEditor.MenuItem.cs

 
         class DoCreateNewAssetDiffusionProfileSettings : DoCreateNewAsset<DiffusionProfileSettings> {}
 
-        [MenuItem("Assets/Create/Custom/Diffusion Profile Settings (LW)", priority = CoreUtils.assetCreateMenuPriority2)]
+        [MenuItem("Assets/Create/Rendering/Diffusion profile Settings (LW)", priority = CoreUtils.assetCreateMenuPriority2)]
         static void MenuCreateDiffusionProfile()
         {
             var icon = EditorGUIUtility.FindTexture("ScriptableObject Icon");