[PATCH 1 of 9 v2] hidden: drop obsolete comment about cacheability

[Martin von Zweigbergk]

# HG changeset patch
# User Martin von Zweigbergk <martinvonz at google.com>
# Date 1495944137 25200
#      Sat May 27 21:02:17 2017 -0700
# Node ID 568558acf7efd7d4ffd8f44a5bf29c92f5d6a2ba
# Parent  e7aa11f3abcdc4322048ee244e023bfa40841630
hidden: drop obsolete comment about cacheability

The cache was recently dropped, so I believe the comment is now obsolete.

diff --git a/mercurial/repoview.py b/mercurial/repoview.py
--- a/mercurial/repoview.py
+++ b/mercurial/repoview.py
@@ -29,7 +29,7 @@
     return obsolete.getrevs(repo, 'obsolete')
 
 def revealedrevs(repo):
-    """non-cacheable revisions blocking hidden changesets from being filtered
+    """revisions blocking hidden changesets from being filtered
     """
 
     cl = repo.changelog