Remove unused code in BiffObjLineModel.

oox/inc/oox/xls/drawingmanager.hxx

@@ -59,9 +59,6 @@ struct BiffObjLineModel
     bool                mbAuto;             /// True = automatic line format.
 
     explicit            BiffObjLineModel();
-
-    /** Returns true, if the line formatting is visible (automatic or explicit). */
-    bool                isVisible() const;
 };
 
 // ============================================================================

oox/source/xls/drawingmanager.cxx

@@ -191,11 +191,6 @@ BiffObjLineModel::BiffObjLineModel() :
 {
 }
 
-bool BiffObjLineModel::isVisible() const
-{
-    return mbAuto || (mnStyle != BIFF_OBJ_LINE_NONE);
-}
-
 BiffInputStream& operator>>( BiffInputStream& rStrm, BiffObjLineModel& rModel )
 {
     sal_uInt8 nFlags;

unusedcode.easy

@@ -1060,7 +1060,6 @@ oox::xls::BiffHelper::calcRkFromDouble(int&, double)
 oox::xls::BiffInputStream::sizeBase() const
 oox::xls::BiffInputStream::skipByteString(bool)
 oox::xls::BiffInputStream::skipUniString()
-oox::xls::BiffObjLineModel::isVisible() const
 oox::xls::BiffOutputStream::BiffOutputStream(oox::BinaryOutputStream&, unsigned short)
 oox::xls::BiffOutputStream::endRecord()
 oox::xls::BiffOutputStream::fill(unsigned char, int, unsigned long)