Function off

off<E>(eventName, listener): void
remove the given listener for a given event.
Type Parameters
- E extends keyof Events
Parameters
- eventName: E
  The event name.
- listener: Events[E]
  The listener function.
Returns void
Example
```
me.event.off("event-name", myFunction);
```
- Defined in packages/melonjs/src/system/event.ts:437