revset: unindent "if True" block in sort()

It was there to make the previous patch readable.

mercurial/revset.py

@@ -1868,7 +1868,6 b' def sort(repo, subset, x):'
         return revs
     # sort() is guaranteed to be stable
     ctxs = [repo[r] for r in revs]
-    if True:
         for k in reversed(keys):
             if k == 'rev':
                 ctxs.sort(key=lambda c: c.rev())