Update primitives.py

grudge/symbolic/primitives.py

@@ -819,7 +819,6 @@ def mv_normal(dd, ambient_dim, dim=None):
 
 
 def normal(dd, ambient_dim, dim=None):
-    """Get exterior unit normal vector to specified discretization restriction.""" 
     return mv_normal(dd, ambient_dim, dim).as_vector()