hgext3rd: drop the last remains of hgext3rd
Not that all extensions as moved, we can drop the directory.
--- a/MANIFEST.in Tue Nov 01 16:18:21 2016 +0100
+++ b/MANIFEST.in Tue Nov 01 16:19:33 2016 +0100
@@ -13,7 +13,6 @@
include docs/*.rst
include docs/static/*.svg
include docs/tutorials/*.t
-include hgext/__init__.py
include hgext3rd/__init__.py
include hgext3rd/evolve/__init__.py
include hgext3rd/evolve/serveronly.py
--- a/hgext/__init__.py Tue Nov 01 16:18:21 2016 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,4 +0,0 @@
-from __future__ import absolute_import
-import pkgutil
-__path__ = pkgutil.extend_path(__path__, __name__)
-