remove the ModelCollectionPrimitive

modules/overlay/index.js

 export { default as FlowLinePrimitive } from './primitive/FlowLinePrimitive'
 export { default as LabelPrimitive } from './primitive/LabelPrimitive'
 export { default as LightCylinderPrimitive } from './primitive/LightCylinderPrimitive'
-export { default as ModelCollectionPrimitive } from './primitive/ModelCollectionPrimitive'
+// export { default as ModelCollectionPrimitive } from './primitive/ModelCollectionPrimitive'
 export { default as ModelPrimitive } from './primitive/ModelPrimitive'
 export { default as PointPrimitive } from './primitive/PointPrimitive.js'
 export { default as PolylinePrimitive } from './primitive/PolylinePrimitive.js'