Port xconfig to Qt5 - Remove unused #include <q3dragobject.h>

Signed-off-by: Boris Barbulovski <bbarbulovski@gmail.com>
Signed-off-by: Thiago Macieira <thiago.macieira@intel.com>
Signed-off-by: Michal Marek <mmarek@suse.com>

scripts/kconfig/qconf.cc

@@ -12,7 +12,6 @@
 #include <QAction>
 #include <q3header.h>
 #include <QFileDialog>
-#include <q3dragobject.h>
 #include <QMenu>
 
 #include <qapplication.h>