no need to touch nContent here

part of the process of hiding the internals of SwPosition

Change-Id: I15ed83739b12aebe7c7cd7fbdd528fa0cd282582
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/141212
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

sw/source/core/doc/docredln.cxx

@@ -1712,9 +1712,8 @@ void SwRangeRedline::DelCopyOfSection(size_t nMyPos)
             *GetMark() = *pEnd;
             DeleteMark();
 
-            aPam.GetBound().nContent.Assign( nullptr, 0 );
-            aPam.GetBound( false ).nContent.Assign( nullptr, 0 );
             aPam.DeleteMark();
+            aPam.GetPoint()->SetContent(0);;
             rDoc.getIDocumentContentOperations().DelFullPara( aPam );
         }
     }