IDEIntf: clean up and added unit ideutils

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@44150 4005530d-fff6-0310-9dd1-cebe43e6787f
debuggerintf: clean up dependencies

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@44151 4005530d-fff6-0310-9dd1-cebe43e6787f
educationlaz: clean up dependencies

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@44152 4005530d-fff6-0310-9dd1-cebe43e6787f
debuggergdbmi: clean up dependencies

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@44153 4005530d-fff6-0310-9dd1-cebe43e6787f