[PATCH 1 of 3] help: remove now-redundant pointer to revsets help

[Martin von Zweigbergk]

# HG changeset patch
# User Martin von Zweigbergk <martinvonz at google.com>
# Date 1484250725 28800
#      Thu Jan 12 11:52:05 2017 -0800
# Node ID 265e05f9e0ccd2b18ec5d4f59404c50fb393a998
# Parent  f2c069bf78ee859b80dbf9047384bb8d6c23e79f
help: remove now-redundant pointer to revsets help

"hg help revisions" and "hg help revsets" now point to the same text,
so drop the revsets reference.

diff -r f2c069bf78ee -r 265e05f9e0cc mercurial/commands.py
--- a/mercurial/commands.py	Thu Nov 24 18:45:29 2016 -0800
+++ b/mercurial/commands.py	Thu Jan 12 11:52:05 2017 -0800
@@ -3370,8 +3370,7 @@
 
           hg log -r "sort(all(), date)"
 
-    See :hg:`help revisions` and :hg:`help revsets` for more about
-    specifying revisions.
+    See :hg:`help revisions` for more about specifying revisions.
 
     Returns 0 on successful completion.
     '''
@@ -4580,8 +4579,8 @@
 
     See :hg:`help dates` for a list of formats valid for -d/--date.
 
-    See :hg:`help revisions` and :hg:`help revsets` for more about
-    specifying and ordering revisions.
+    See :hg:`help revisions` for more about specifying and ordering
+    revisions.
 
     See :hg:`help templates` for more about pre-packaged styles and
     specifying custom templates.