Remove __future__ import from jupyterconsole startup code

qt/applications/workbench/workbench/plugins/jupyterconsole.py

@@ -28,7 +28,6 @@ from ..plugins.base import PluginWidget # noqa
 
 # should we share this with plugins.editor?
 STARTUP_CODE = """
-from __future__ import (absolute_import, division, print_function, unicode_literals)
 from mantid.simpleapi import *
 import matplotlib.pyplot as plt
 import numpy as np