1. moved m_majorDim duplicated in many ports to wxRadioBoxBase

2. also implement Getcolumn/RowCount() in it now and document them
3. removed various remains of old (pre-wxRadioBoxBase) cruft

sorry in advance for any compilation breakage on the platforms I can't test on


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@36307 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/cocoa/radiobox.h

@@ -91,9 +91,6 @@ public:
     // change the individual radio button state
     virtual bool Enable(int n, bool enable = true);
     virtual bool Show(int n, bool show = true);
-    // layout parameters
-    virtual int GetColumnCount() const;
-    virtual int GetRowCount() const;
 protected:
     virtual wxSize DoGetBestSize() const;
 };