compat: drop some <hg-3.4 compatibility code
The `hg commit` commands has a -i flag for ages now.
--- a/hgext3rd/evolve/__init__.py Mon Mar 13 23:28:57 2017 -0700
+++ b/hgext3rd/evolve/__init__.py Tue Mar 14 09:50:55 2017 -0700
@@ -134,11 +134,7 @@
_unpack = struct.unpack
aliases, entry = cmdutil.findcmd('commit', commands.table)
-hasinteractivemode = any(['interactive' in e for e in entry[1]])
-if hasinteractivemode:
- interactiveopt = [['i', 'interactive', None, _('use interactive mode')]]
-else:
- interactiveopt = []
+interactiveopt = [['i', 'interactive', None, _('use interactive mode')]]
# This extension contains the following code
#
# - Extension Helper code