@Override
	public void serviceRemoved(Class<?> interfaceClass, Object service) {
		if (interfaceClass != ViewProviderService.class) {
			return;
		}
		componentProvider.serviceRemoved((ViewProviderService) service);
	}
Notifies this plugin that service has been removed from the plugin tool.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/programtree/ProgramTreePlugin.java