Remove useless private operator==() from SwFont

Change-Id: I7cbc6cc1c55afe0906cacda571c9ed8dd7fd8dd7

sw/source/core/inc/swfont.hxx

@@ -62,7 +62,6 @@ class SwSubFont : public SvxFont
     inline void CopyMagic( const SwSubFont& rFnt )
         { pMagic = rFnt.pMagic; nFntIndex = rFnt.nFntIndex; }
 
-    sal_Bool operator==( const SwFont &rFnt ) const;
     SwSubFont& operator=( const SwSubFont &rFont );
 
     short _CheckKerning( );
@@ -144,8 +143,6 @@ class SwFont
     sal_Bool bGreyWave      :1;  // Fuers extended TextInput: Graue Wellenlinie
     sal_Bool bNoColReplace  :1;  // Replacement without colormanipulation
 
-    sal_Bool operator==( const SwFont &rFnt ) const;
-
 protected:
     inline SwFont() { pBackColor = NULL; nActual = SW_LATIN; }