restore the default bitmap icons size to 16*15, making them larger if necessary is enough and doesn't result in having ugly 16*16 bitmaps in a 24*24 button rectangle

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@58646 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/toolbar.h

@@ -88,9 +88,6 @@ protected:
     // create the native toolbar control
     bool MSWCreateToolbar(const wxPoint& pos, const wxSize& size);
 
-    // just a wrapper for TB_SETBITMAPSIZE
-    void MSWSetBitmapSize(const wxSize& size);
-
     // recreate the control completely
     void Recreate();