let us deprecated this when it is really not used anymore

[[Imported from SVN: r6279]]

dune/common/geometrytype.hh

@@ -245,7 +245,7 @@ namespace Dune {
     }
 
     /** \brief Return the basic type of the type */
-    BasicType basicType() const DUNE_DEPRECATED {
+    BasicType basicType() const {
       if (isSimplex())
         return GeometryType::simplex;
       if (isCube())