Disable wrappers as Python version is controlled by FLAVORS

--- README.md.orig	2020-11-12 02:19:34 UTC
+++ README.md
@@ -53,21 +53,6 @@ Setup:
 
   If you want to build git along the helper, you can run `make git`.
 
-Experimental support for python 3.x:
-------------------------------------
-
-Experimental support for python 3.5 or more can be enabled by one of the
-following:
-
-- set the `GIT_CINNABAR_EXPERIMENTS` environment variable to `python3`.
-- `git config cinnabar.experiments python3`.
-
-It has been tested mainly with python 3.5 and 3.7. Corner cases may not work
-properly.
-
-It is also possible to replace `python3` in either `GIT_CINNABAR_EXPERIMENTS`
-or `cinnabar.experiments` with `python=/path/to/python`.
-
 Usage:
 ------
 
--- git-cinnabar.orig	2020-11-12 02:19:34 UTC
+++ git-cinnabar
@@ -1,25 +1,4 @@
-#!/bin/sh
-''':'
-experiments=",${GIT_CINNABAR_EXPERIMENTS-$(git config cinnabar.experiments)},"
-case "$experiments" in
-*,python3,*)
-  PYTHON=python3
-  ;;
-*,python=*,*)
-  PYTHON=${experiments#*,python=}
-  PYTHON=${PYTHON%%,*}
-  ;;
-*)
-  if command -v python2.7 > /dev/null; then
-    PYTHON=python2.7
-  else
-    PYTHON=python2
-  fi
-  ;;
-esac
-exec $PYTHON $0 "$@"
-exit 1
-'''
+#!/usr/bin/env python
 
 import os
 import sys
--- git-remote-hg.orig	2020-11-12 02:19:34 UTC
+++ git-remote-hg
@@ -1,25 +1,4 @@
-#!/bin/sh
-''':'
-experiments=",${GIT_CINNABAR_EXPERIMENTS-$(git config cinnabar.experiments)},"
-case "$experiments" in
-*,python3,*)
-  PYTHON=python3
-  ;;
-*,python=*,*)
-  PYTHON=${experiments#*,python=}
-  PYTHON=${PYTHON%%,*}
-  ;;
-*)
-  if command -v python2.7 > /dev/null; then
-    PYTHON=python2.7
-  else
-    PYTHON=python2
-  fi
-  ;;
-esac
-exec $PYTHON $0 "$@"
-exit 1
-'''
+#!/usr/bin/env python
 
 from __future__ import division
 import os