Remove unused code

Change-Id: I9d407fcdbee66b44504c5d092d32113114e2ac46

chart2/source/view/axes/VCartesianAxis.cxx

@@ -211,9 +211,6 @@ public:
     virtual TickInfo*   firstInfo() SAL_OVERRIDE;
     virtual TickInfo*   nextInfo() SAL_OVERRIDE;
 
-private: //methods
-    LabelIterator();
-
 private: //member
     PureTickIter m_aPureTickIter;
     const AxisLabelStaggering   m_eAxisLabelStaggering;
@@ -467,17 +464,6 @@ bool VCartesianAxis::isAutoStaggeringOfLabelsAllowed( const AxisLabelProperties&
     return false;
 }
 
-struct ComplexCategoryPlacement
-{
-    OUString Text;
-    sal_Int32 Count;
-    double TickValue;
-
-    ComplexCategoryPlacement( const OUString& rText, sal_Int32 nCount, double fTickValue )
-        : Text(rText), Count(nCount), TickValue(fTickValue)
-    {}
-};
-
 void VCartesianAxis::createAllTickInfosFromComplexCategories( ::std::vector< ::std::vector< TickInfo > >& rAllTickInfos, bool bShiftedPosition )
 {
     //no minor tickmarks will be generated!