Refs #23919 -- Removed encoding preambles and future imports

tests/view_tests/tests/test_debug.py

@@ -1,8 +1,3 @@
-# -*- coding: utf-8 -*-
-# This coding header is significant for tests, as the debug view is parsing
-# files to search for such a header to decode the source file content
-from __future__ import unicode_literals
-
 import importlib
 import inspect
 import os