spanset: remove ascending/descending implementation
We can rely on their implementation in abstractsmartset.
--- a/mercurial/revset.py Thu Oct 02 18:35:00 2014 -0500
+++ b/mercurial/revset.py Thu Oct 02 18:35:56 2014 -0500
@@ -2854,14 +2854,6 @@
self._end = len(repo)
self._hiddenrevs = repo.changelog.filteredrevs
- def ascending(self):
- if not self.isascending():
- self.reverse()
-
- def descending(self):
- if not self.isdescending():
- self.reverse()
-
def __iter__(self):
if self.isascending():
iterrange = xrange(self._start, self._end)