Removed dead link to Cython bug tracker.

docs/src/userguide/limitations.rst

@@ -8,13 +8,10 @@ Limitations
 
 This page used to list bugs in Cython that made the semantics of
 compiled code differ from that in Python.  Most of the missing
-features have been fixed in Cython 0.15.  The bug tracker has an
-up-to-date `list of remaining compatibility issues`_.  Note that a
+features have been fixed in Cython 0.15. Note that a
 future version 1.0 of Cython is planned to provide full Python
 language compatibility.
 
-.. _`list of remaining compatibility issues`: http://trac.cython.org/cython_trac/query?status=assigned&status=new&status=reopened&component=Python+Semantics&component=Python3+Semantics&order=priority&col=id&col=summary&col=component&col=status&col=type&col=priority&col=milestone
-
 Below is a list of differences that we will probably not be addressing.
 Most of these things that fall more into the implementation details rather
 than semantics, and we may decide not to fix (or require a --pedantic flag to get).