private void functionRemoved(ProgramChangeRecord rec) {
		Function function = (Function) rec.getObject();
		if (function != null) {
			provider.functionRemoved(function);
		}
	}
Kicks the tool actions to set the proper enablement when selection changes
on the function table
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/functionwindow/FunctionWindowPlugin.java