Remove the method ReferenceElement::checkInside<codim>

As decided on http://users.dune-project.org/doodles/39

The method never worked, until fixed rather by coincidence right
before the release of dune-geometry-2.4.  So apparently demand
for it was low.

dune/geometry/referenceelements.hh

@@ -166,26 +166,6 @@ namespace Dune
       return GenericGeometry::template checkInside< ctype, dim >( type().id(), dim, local, tolerance );
     }
 
-    /** \brief check if a point is in the reference element of
-     *         the i-th subentity with codimension codim
-     *
-     *  Denote by E the i-th subentity of codimension codim of the current
-     *  reference element. This method return true, if the given local
-     *  coordinate is within the reference element for the entity E.
-     *
-     *  \tparam     codim  codimension of subentity E
-     *
-     *  \param[in]  local  coordinates of the point with respect to the
-     *                     reference element of E
-     *  \param[in]  i      number of subentity E (0 <= i < size( c ))
-     */
-    template< int codim >
-    bool checkInside ( const FieldVector< ctype, dim-codim > &local, int i ) const
-    {
-      const ctype tolerance = ctype( 64 ) * std::numeric_limits< ctype >::epsilon();
-      return GenericGeometry::template checkInside< ctype, dim-codim >( type( i, codim ).id(), dim-codim, local, tolerance );
-    }
-
     /** \brief obtain the embedding of subentity (i,codim) into the reference
      *         element
      *

dune/geometry/test/test-referenceelements.cc

@@ -125,13 +125,8 @@ int main () try
   const ReferenceElement<double,2>::Codim<0>::Geometry referenceTriangleMapping = referenceTriangle.geometry< 0 >( 0 );
   referenceTriangleMapping.corner(0);
 
-  // test the checkInside methods
+  // test the checkInside method
   test(referenceTriangle.checkInside({0.3,0.3}));
-  for (int i=0; i<3; i++)
-  {
-    test(referenceTriangle.checkInside<1>({0.5}, i));
-    test(!referenceTriangle.checkInside<1>({-0.5}, i));
-  }
 
   // //////////////////////////////////////////////////////////////////////////
   //   Test quadrilateral
@@ -266,23 +261,9 @@ int main () try
   const ReferenceElement<double,3>::Codim<0>::Geometry referenceTetraMapping = referenceTetra.geometry< 0 >( 0 );
   referenceTetraMapping.corner(0);
 
-  // test the checkInside methods
+  // test the checkInside method
   test(referenceTetra.checkInside({0.3,0.3,0.3}));
 
-  // checkInside for edges
-  for (int i=0; i<6; i++)
-  {
-    test(referenceTetra.checkInside<2>({0.5}, i));
-    test(!referenceTetra.checkInside<2>({-0.5}, i));
-  }
-
-  // checkInside for faces
-  for (int i=0; i<4; i++)
-  {
-    test(referenceTetra.checkInside<1>({0.3,0.3}, i));
-    test(!referenceTetra.checkInside<1>({1.0,1.0}, i));
-  }
-
   // //////////////////////////////////////////////////////////////////////////
   //   Test pyramid
   // //////////////////////////////////////////////////////////////////////////