codetools: clean up

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41884 4005530d-fff6-0310-9dd1-cebe43e6787f
clean up hint

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41885 4005530d-fff6-0310-9dd1-cebe43e6787f
codetools: identifier completion: ignore parser errors when gathering keywords, bug 20919

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41886 4005530d-fff6-0310-9dd1-cebe43e6787f