Function remove

remove(listenerId): void
JMap.Event.MapContext.remove

Removes the listener.

If the listener doesn't exist, does nothing.

Remove the listener from JMap Server NG Core library. The listener is deleted and never called again after that.
Parameters
- listenerId: string
  The listener id
Returns void
Example
```
// remove the listener "my-mapcontext-listener"
JMap.Event.MapContext.remove("my-mapcontext-listener")
```