Fix bug in AutoGrowPanel where children were not pruned properly.

src/main/lombok/org/leumasjaffe/recipe/view/AutoGrowPanel.java

@@ -33,6 +33,7 @@ public class AutoGrowPanel extends JPanel {
 			if (e.getDocument().getLength() == 0) {
 				content.removeDocumentListener(this);
 				int index = members.indexOf(content);
+				members.remove(index);
 				onDelete.accept(index);
 				for (final int size = members.size(); index < size; ++index) {
 					members.get(index).setListPosition(index);