dropped e.newEntity() from test

[[Imported from SVN: r1203]]

grid/test/gridcheck.cc

@@ -232,8 +232,6 @@ struct EntityInterface<Grid, 0, dim>
     e.mark(0);
     e.state();
 
-    e.newEntity();
-
     // recursively check sub-entities
     EntityInterface<Grid, 1, dim>();
   }