Removed duplicated include

Change-Id: Ibbd83a7d69a27ab96b99d28e1d4a1f65af63b82f
Reviewed-on: https://gerrit.libreoffice.org/39037Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Michael Stahl <mstahl@redhat.com>

cui/source/dialogs/cuicharmap.cxx

@@ -37,7 +37,6 @@
 #include <comphelper/processfactory.hxx>
 #include <comphelper/propertysequence.hxx>
 #include <comphelper/dispatchcommand.hxx>
-#include <sfx2/app.hxx>
 
 #include <cuires.hrc>
 #include <dialmgr.hxx>