Remove reference to step-31, which doesn't exist as of the current release yet.

git-svn-id: https://svn.dealii.org/trunk@16183 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/doc/news/changes.h b/deal.II/doc/news/changes.h
index 8e66126e26a168cf47a1525e53da0b3a8fa83498..8b7af9c43df4309b0f86365e0e88f81edc34270f 100644 (file)
--- a/deal.II/doc/news/changes.h
+++ b/deal.II/doc/news/changes.h
@@ -449,8 +449,7 @@ constraints individually.
 
   <li> <p>New: The function VectorTools::compute_no_normal_flux_constraints computes
   the constraints that correspond to boundary conditions of the
-  form $\vec u \cdot \vec n = 0$. The use of the function is demonstrated in the
-  @ref step_31 "step-31" tutorial program.
+  form $\vec u \cdot \vec n = 0$.
   <br>
   (WB 2008/01/23)
   </p></li>