0033375: Coding - Static Analyzing processing. Performance

Performance update applied:
  - moving to const reference as much as possible
Result of CLANG_TIDY (static analyzing filter: perform*)

src/BRepClass/BRepClass_Intersector.cxx

@@ -248,7 +248,6 @@ void CheckSkip(Geom2dInt_GInter& theInter,
   {
     return;
   }
-  const TopoDS_Edge anEl = theE.NextEdge(); // the next edge
   if (!(BRep_Tool::Tolerance(aVl) > theMaxTol) || theE.NextEdge().IsNull())
   {
     return;