@Override
	public void domainFileRemoved(DomainFolder parent, String name, String fileID) {
		updateFolderNode(parent);
		DomainFolderNode folderNode = findDomainFolderNode(parent, true);
		if (folderNode == null) {
			return;
		}

		List<GTreeNode> children = folderNode.getChildren();
		for (GTreeNode child : children) {
			if (child instanceof DomainFileNode) {
				if (child.getName().equals(name)) {
					folderNode.removeNode(child);
				}
			}
		}
	}
Class to handle changes when a domain folder changes; updates the
tree model to reflect added/removed/renamed nodes.
Ghidra/Framework/Project/src/main/java/ghidra/framework/main/datatree/ChangeManager.java