Function deleteThematic

deleteThematic(layerId, thematicId): void
JMap.Layer.Thematic.deleteThematic

Deletes a thematic from JMap CLoud NG. The removal is client-side only and only for the current session.
Parameters
- layerId: JId
  the JMap Cloud layer id
- thematicId: JId
  the thematic id (Style Rule id)
Returns void
Example
```
// delete a thematic
JMap.Layer.Thematic.deleteThematic("d5185b58-4f7a-4689-bacd-656df2104da4","bc23f628-0fea-4e0c-8c23-d39c33ee0be2")
```