this hack in no longer needed, fdo#44337

excel import now uses the stored row height and we should go back to a
symetric default margin

sc/source/core/data/docpool.cxx

@@ -275,10 +275,7 @@ ScDocumentPool::ScDocumentPool( SfxItemPool* pSecPool, sal_Bool bLoadRefCounts )
     ppPoolDefaults[ ATTR_SHRINKTOFIT     - ATTR_STARTINDEX ] = new SfxBoolItem( ATTR_SHRINKTOFIT );
     ppPoolDefaults[ ATTR_BORDER_TLBR     - ATTR_STARTINDEX ] = new SvxLineItem( ATTR_BORDER_TLBR );
     ppPoolDefaults[ ATTR_BORDER_BLTR     - ATTR_STARTINDEX ] = new SvxLineItem( ATTR_BORDER_BLTR );
-    SvxMarginItem* pItem = new SvxMarginItem( ATTR_MARGIN );
-    pItem->SetTopMargin( 27 );
-    pItem->SetBottomMargin( 27 );
-    ppPoolDefaults[ ATTR_MARGIN          - ATTR_STARTINDEX ] = pItem;
+    ppPoolDefaults[ ATTR_MARGIN          - ATTR_STARTINDEX ] = new SvxMarginItem( ATTR_MARGIN );
     ppPoolDefaults[ ATTR_MERGE           - ATTR_STARTINDEX ] = new ScMergeAttr;
     ppPoolDefaults[ ATTR_MERGE_FLAG      - ATTR_STARTINDEX ] = new ScMergeFlagAttr;
     ppPoolDefaults[ ATTR_VALUE_FORMAT    - ATTR_STARTINDEX ] = new SfxUInt32Item( ATTR_VALUE_FORMAT, 0 );