[PATCH 1 of 3] revset: remove orphan i18n comment from ancestor()

[Yuya Nishihara]

# HG changeset patch
# User Yuya Nishihara <yuya at tcha.org>
# Date 1529158361 -32400
#      Sat Jun 16 23:12:41 2018 +0900
# Node ID 5e1defd9170e93dea28ea06abc22a2959cd4b707
# Parent  56b2074114b19e12abd9cd4c378d58b702232705
revset: remove orphan i18n comment from ancestor()

diff --git a/mercurial/revset.py b/mercurial/revset.py
--- a/mercurial/revset.py
+++ b/mercurial/revset.py
@@ -309,7 +309,6 @@ def ancestor(repo, subset, x):
     Will return empty list when passed no args.
     Greatest common ancestor of a single changeset is that changeset.
     """
-    # i18n: "ancestor" is a keyword
     l = getlist(x)
     rl = fullreposet(repo)
     anc = None