maDateRangeChangedHdl is unused

Change-Id: I5408f0c6f26b34f52304bdb85d72bd07e410dada

include/svtools/calendar.hxx

@@ -216,7 +216,6 @@ private:
                     mbSelLeft:1,
                     mbAllSel:1,
                     mbDropPos:1;
-    Link<>          maDateRangeChangedHdl;
     Link<>          maRequestDateInfoHdl;
     Link<>          maDoubleClickHdl;
     Link<>          maSelectHdl;
@@ -276,7 +275,6 @@ public:
     virtual void    StateChanged( StateChangedType nStateChange ) SAL_OVERRIDE;
     virtual void    DataChanged( const DataChangedEvent& rDCEvt ) SAL_OVERRIDE;
 
-    void            DateRangeChanged();
     void            RequestDateInfo();
     void            DoubleClick();
     void            Select();

svtools/source/control/calendar.cxx

@@ -452,7 +452,6 @@ void Calendar::ImplFormat()
     {
         maOldFormatFirstDate = maFirstDate;
         maOldFormatLastDate  = aLastDate;
-        DateRangeChanged();
     }
 
     // get DateInfo
@@ -1706,11 +1705,6 @@ void Calendar::DataChanged( const DataChangedEvent& rDCEvt )
     }
 }
 
-void Calendar::DateRangeChanged()
-{
-    maDateRangeChangedHdl.Call( this );
-}
-
 void Calendar::RequestDateInfo()
 {
     maRequestDateInfoHdl.Call( this );