src/vs/workbench/contrib/debug/browser/loadedScriptsView.ts/BaseTreeItem/removeFromParent
class BaseTreeItem:	removeFromParent(): void {
		if (this._parent) {
			this._parent.remove(this._label);
			if (this._parent._children.size === 0) {
				this._parent.removeFromParent();
			}
		}
	}