MNT: Drop Py2 compatibility for tools/

Author: effigies

tools/apigen.py

@@ -20,10 +20,6 @@
 PyMVPA project, which we've adapted for NIPY use.  PyMVPA is an MIT-licensed
 project.
 """
-from __future__ import (print_function, division, unicode_literals,
-                        absolute_import)
-from builtins import object, open
-
 import os
 import re
 

tools/build_interface_docs.py

@@ -3,7 +3,6 @@
 # vi: set ft=python sts=4 ts=4 sw=4 et:
 """Script to auto-generate interface docs.
 """
-from __future__ import print_function, unicode_literals
 # stdlib imports
 import os
 import sys

tools/build_modref_templates.py

@@ -3,8 +3,6 @@
 # vi: set ft=python sts=4 ts=4 sw=4 et:
 """Script to auto-generate our API docs.
 """
-
-from __future__ import print_function
 # stdlib imports
 import os
 import sys

tools/ex2rst

@@ -11,10 +11,6 @@
 #
 ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ##
 """Helper to automagically generate ReST versions of examples"""
-from __future__ import (print_function, division, unicode_literals,
-                        absolute_import)
-from builtins import open, str
-
 import os
 import sys
 import re

tools/github.py

@@ -1,8 +1,4 @@
 # -*- coding: utf-8 -*-
-from __future__ import unicode_literals
-from future import standard_library
-standard_library.install_aliases()
-from builtins import open
 import http.client
 import inspect
 import simplejson

tools/gitwash_dumper.py

@@ -1,9 +1,5 @@
 #!/usr/bin/env python
 ''' Checkout gitwash repo into directory and do search replace on name '''
-from __future__ import (print_function, division, unicode_literals,
-                        absolute_import)
-from builtins import open
-
 import os
 from os.path import join as pjoin
 import shutil

tools/interfacedocgen.py

@@ -20,9 +20,6 @@
 PyMVPA project, which we've adapted for NIPY use.  PyMVPA is an MIT-licensed
 project."""
 
-from __future__ import print_function, unicode_literals
-from builtins import object, open
-
 # Stdlib imports
 import inspect
 import os

tools/make_examples.py

@@ -3,9 +3,6 @@
 
 This also creates the index.rst file appropriately, makes figures, etc.
 """
-from __future__ import (print_function, division, unicode_literals,
-                        absolute_import)
-from builtins import open
 from past.builtins import execfile
 # -----------------------------------------------------------------------------
 # Library imports

tools/run_examples.py

@@ -1,5 +1,4 @@
 # -*- coding: utf-8 -*-
-from __future__ import print_function
 import os
 import sys
 from shutil import rmtree