IDE: clean up

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@40365 4005530d-fff6-0310-9dd1-cebe43e6787f
IDEintf: added RegisterDefineProperty

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@40366 4005530d-fff6-0310-9dd1-cebe43e6787f