Removed duplicated includes

Change-Id: I12ebc2dcbd836154c75ad910ec746ae371c865ee
Reviewed-on: https://gerrit.libreoffice.org/68188
Tested-by: Jenkins
Reviewed-by: Julien Nabet <serval2412@yahoo.fr>

sc/source/ui/inc/colorformat.hxx

@@ -13,7 +13,6 @@
 #include <vcl/weld.hxx>
 #include <svx/colorbox.hxx>
 #include <address.hxx>
-#include <svx/colorbox.hxx>
 #include <vcl/edit.hxx>
 
 struct ScDataBarFormatData;

vcl/unx/gtk3/gtk3gtkinst.cxx

@@ -3787,7 +3787,6 @@ public:
 };
 
 #include <vcl/pngwrite.hxx>
-#include <tools/stream.hxx>
 
 class GtkInstanceButton : public GtkInstanceContainer, public virtual weld::Button
 {