[Lazarus] Suggestion again: remove GTK1 from IDE and LCL

[Felipe Monteiro de Carvalho]

Well, sure something like that could be made but a real cleanup would
be much prefered.

And since already Vincent is against removing Gtk1, there is little
use to do a quick and dirty split. We need a real cleanup moving the
code to it's adequate places. The gtk1 units should not exist in the
gtk2 directory after a real clean up.

-- 
Felipe Monteiro de Carvalho