Remove unnecessary calls to wxToolBar::SetToolBitmapSize()

This is unnecessary, just as an existing comment said, so don't bother
doing it.

samples/toolbar/toolbar.cpp

@@ -401,10 +401,6 @@ void MyFrame::PopulateToolbar(wxToolBarBase* toolBar)
         }
     }
 
-    // this call is actually unnecessary as the toolbar will adjust its tools
-    // size to fit the biggest icon used anyhow but it doesn't hurt neither
-    toolBar->SetToolBitmapSize(wxSize(w, h));
-
     toolBar->AddTool(wxID_NEW, "New",
                      toolBarBitmaps[Tool_new], wxNullBitmap, wxITEM_DROPDOWN,
                      "New file", "This is help for new file tool");