Don't use deprecated EntityPointer

dune/fufem/functionspacebases/dofconstraints.hh

@@ -89,7 +89,6 @@ class DOFConstraints {
             typedef typename B::GridView::template Codim<0>::Entity Element;
             typedef typename B::GridView::template Codim<0>::Iterator ElementIterator;
             typedef typename B::GridView::IntersectionIterator NeighborIterator;
-            typedef typename B::GridView::IntersectionIterator::Intersection::EntityPointer NeighborPointer;
 
             typedef typename B::LocalFiniteElement FE;
             typedef typename FE::Traits::LocalInterpolationType LocalInterpolationType;
@@ -127,8 +126,7 @@ class DOFConstraints {
                     if (not(nIt->neighbor()))
                         continue;
 
-                    NeighborPointer np = nIt->outside();
-                    auto& neighbor = *np;
+                    const Element& neighbor = nIt->outside();
 
                     if (not(neighbor.level()<level))
                         continue;