removeSingleton abstract method

Remove the pod associated with name.

This method removes a pod from the registry, making the name available for reuse (depending on implementation constraints).

name: The name of the pod to remove

Throws:

• IllegalArgumentException if name is null or empty
• PodNotFoundException if no pod exists with the given name
• UnsupportedOperationException if the registry doesn't support removal

Example:

if (registry.containsSingleton('oldService')) {
  registry.removeSingleton('oldService');
  print('Removed oldService from registry');
}