| unityEvent | Event to modify. |
| index | Index to remove (if specified). |
| call | Function to remove (if specified). |
Removes the given function from the event.
You can specify either the index of the listener function to remove, or the delegate type of the listener function to remove. If you specify the delegate type, this method removes all occurrences of that listener function from the event. If you specify the the index, this method only removes the listener function at the index specified.