ToDoList: cleanup

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@45790 4005530d-fff6-0310-9dd1-cebe43e6787f
Remove the deprecated BarChart unit. It has been replaced with TAChart.

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@45791 4005530d-fff6-0310-9dd1-cebe43e6787f