[gtk-doc] gtkdoc: remove unused imports

[Stefan Sauer <stefkost src gnome org>]

commit 7c09d5ddd98a92b6d147dcad1db40a621e15bf91
Author: Stefan Sauer <ensonic users sf net>
Date:   Mon Apr 10 08:12:40 2017 +0200

    gtkdoc: remove unused imports

 gtkdoc/mkhtml.py   |    3 ---
 gtkdoc/mkman.py    |    3 ---
 gtkdoc/scangobj.py |    2 --
 3 files changed, 0 insertions(+), 8 deletions(-)
---
diff --git a/gtkdoc/mkhtml.py b/gtkdoc/mkhtml.py
index f0f4c1e..c2d0037 100644
--- a/gtkdoc/mkhtml.py
+++ b/gtkdoc/mkhtml.py
@@ -21,9 +21,6 @@
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 #
 
-# Support both Python 2 and 3
-from __future__ import print_function
-
 import os
 import sys
 import argparse
diff --git a/gtkdoc/mkman.py b/gtkdoc/mkman.py
index cb407fb..2a9ecb5 100644
--- a/gtkdoc/mkman.py
+++ b/gtkdoc/mkman.py
@@ -21,9 +21,6 @@
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 #
 
-# Support both Python 2 and 3
-from __future__ import print_function
-
 import os
 import sys
 import argparse
diff --git a/gtkdoc/scangobj.py b/gtkdoc/scangobj.py
index f534a65..5261e01 100644
--- a/gtkdoc/scangobj.py
+++ b/gtkdoc/scangobj.py
@@ -25,8 +25,6 @@ compiling and running a small C program. CFLAGS and LDFLAGS must be set
 appropriately before running this script.
 """
 
-from __future__ import print_function
-
 import logging
 import os
 import re