Remove python2 support from tests/utils scripts
diff --git a/src/gen-os2-unicode-ranges.py b/src/gen-os2-unicode-ranges.py
index 515f4ca..49239d6 100755
--- a/src/gen-os2-unicode-ranges.py
+++ b/src/gen-os2-unicode-ranges.py
@@ -1,13 +1,9 @@
-#!/usr/bin/python
-
-# -*- coding: utf-8 -*-
+#!/usr/bin/env python3
# Generates the code for a sorted unicode range array as used in hb-ot-os2-unicode-ranges.hh
# Input is a tab seperated list of unicode ranges from the otspec
# (https://docs.microsoft.com/en-us/typography/opentype/spec/os2#ur).
-from __future__ import print_function, division, absolute_import
-
import io
import re
import sys