readme: remove the part about 3.7 and hgext3rd
We are using direct path already so we don't need any magic here. The
'hgext3rd.'bit is only required (for 3.7) when the module is installed and we
rely on sys.path to find it.
--- a/README.md Tue Mar 22 00:19:14 2016 -0700
+++ b/README.md Fri Mar 18 08:14:45 2016 -0700
@@ -13,8 +13,3 @@
[extensions]
topics=path/to/hg-topics/src
-
-If you are using Mercurial 3.7 use:
-
- [extensions]
- hgext3rd.topics=path/to/hg-topics/src