fix copy&paste of conditional format between sheets

Change-Id: I8856bff376f0f6e366062eddbc68a9eee098be5b
diff --git a/sc/source/core/data/documen2.cxx b/sc/source/core/data/documen2.cxx
index 16009d2..c16b059 100644
--- a/sc/source/core/data/documen2.cxx
+++ b/sc/source/core/data/documen2.cxx
@@ -898,10 +898,6 @@
        maTabs[nOldPos]->StartAllListeners();
        maTabs[nNewPos]->StartAllListeners();

        ScConditionalFormatList* pNewList = new ScConditionalFormatList(*maTabs[nOldPos]->GetCondFormList());
        pNewList->UpdateReference(aRefCxt);
        maTabs[nNewPos]->SetCondFormList( pNewList );

        sc::SetFormulaDirtyContext aFormulaDirtyCxt;
        SetAllFormulasDirty(aFormulaDirtyCxt);