chore: fix spec

apis/nucleus/src/viz.js

@@ -92,6 +92,7 @@ export default function viz({
     // ===== undocumented experimental API - use at own risk ======
     newExperimental = {
       /**
+       *  @ignore
        *  valid types: viewData, cssScaling, snapshot, exportData, exploration
        *  questionable types: supportRefresh, quickMobile, fullscreen
        *  deprecated?: sharing

apis/stardust/api-spec/listbox-spec.json

@@ -189,4 +189,4 @@
       }
     }
   }
-}
+}