Remove warning "No DrawLayer available"

This warning appears very often in unit tests.
We have similiar checks all over the place and don't emit a warning either.

Change-Id: Ic1667fa51ce39e72c9a940023cc12a72458bd490
Reviewed-on: https://gerrit.libreoffice.org/50968Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Samuel Mehrbrodt <Samuel.Mehrbrodt@cib.de>

sc/source/core/data/table3.cxx

@@ -446,8 +446,6 @@ void initDataRows(
         ScDrawLayer* pDrawLayer = rTab.GetDoc().GetDrawLayer();
         if (pDrawLayer)
             aRowDrawObjects = pDrawLayer->GetObjectsAnchoredToRange(rTab.GetTab(), nCol, nRow1, nRow2);
-        else
-            SAL_WARN("sc", "Could not retrieve anchored images, no DrawLayer available");
 
         for (SCROW nRow = nRow1; nRow <= nRow2; ++nRow)
         {