void clearCut(ProgramNode node) {
		node.setDeleted(false);
		plugin.repaintProvider();
	}
Remove node from the list of ProgramNodes in the clipboard. This method is called
if there was a problem pasting a group.
@param tree the tree
@param node the node
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/programtree/ProgramTreeActionManager.java