Remove documentation for a nonexistant field.

This comment appeared in 2013 and the referenced field has never been
present.

diff --git a/include/deal.II/lac/chunk_sparse_matrix.h b/include/deal.II/lac/chunk_sparse_matrix.h
index 9cf4a003951c1d2bdc72ff224b83030894211fbd..73dc8e6894447a3b02ec54d9448885aa28f7ce9a 100644 (file)
--- a/include/deal.II/lac/chunk_sparse_matrix.h
+++ b/include/deal.II/lac/chunk_sparse_matrix.h
@@ -263,11 +263,6 @@ namespace ChunkSparseMatrixIterators
      */
     template <typename, bool>
     friend class Iterator;
-
-    /**
-     * Make the inner reference class a friend if the compiler has a bug and
-     * requires this.
-     */
   };