remove unicode literal from code

All strings are considered as unicode string from Python 3.

This patch drops the explicit unicode literal (u'...')
appearances from the unicode strings.

Change-Id: I101a3fea0bdfb29694f06ced33cbac6cc6c72bdd

doc/source/conf.py

@@ -43,8 +43,8 @@ source_suffix = '.rst'
 master_doc = 'index'
 
 # General information about the project.
-project = u'freezer-tempest-plugin'
-copyright = u'2016, OpenStack Foundation'
+project = 'freezer-tempest-plugin'
+copyright = '2016, OpenStack Foundation'
 
 # If true, '()' will be appended to :func: etc. cross-reference text.
 add_function_parentheses = True
@@ -74,8 +74,8 @@ htmlhelp_basename = '%sdoc' % project
 latex_documents = [
     ('index',
      '%s.tex' % project,
-     u'%s Documentation' % project,
-     u'OpenStack Foundation', 'manual'),
+     '%s Documentation' % project,
+     'OpenStack Foundation', 'manual'),
 ]
 
 # Example configuration for intersphinx: refer to the Python standard library.

releasenotes/source/conf.py

@@ -55,8 +55,8 @@ source_suffix = '.rst'
 master_doc = 'index'
 
 # General information about the project.
-project = u'freezer Release Notes'
-copyright = u'2016, OpenStack Foundation'
+project = 'freezer Release Notes'
+copyright = '2016, OpenStack Foundation'
 
 # openstackdocstheme options
 openstackdocs_repo_name = 'openstack/freezer-tempest-plugin'
@@ -215,8 +215,8 @@ latex_elements = {
 # (source start file, target name, title,
 #  author, documentclass [howto, manual, or own class]).
 latex_documents = [
-    ('index', 'GlanceReleaseNotes.tex', u'Glance Release Notes Documentation',
-     u'Glance Developers', 'manual'),
+    ('index', 'GlanceReleaseNotes.tex', 'Glance Release Notes Documentation',
+     'Glance Developers', 'manual'),
 ]
 
 # The name of an image file (relative to this directory) to place at the top of
@@ -245,8 +245,8 @@ latex_documents = [
 # One entry per manual page. List of tuples
 # (source start file, name, description, authors, manual section).
 man_pages = [
-    ('index', 'glancereleasenotes', u'Glance Release Notes Documentation',
-     [u'Glance Developers'], 1)
+    ('index', 'glancereleasenotes', 'Glance Release Notes Documentation',
+     ['Glance Developers'], 1)
 ]
 
 # If true, show URL addresses after external links.
@@ -259,8 +259,8 @@ man_pages = [
 # (source start file, target name, title, author,
 #  dir menu entry, description, category)
 texinfo_documents = [
-    ('index', 'GlanceReleaseNotes', u'Glance Release Notes Documentation',
-     u'Glance Developers', 'GlanceReleaseNotes',
+    ('index', 'GlanceReleaseNotes', 'Glance Release Notes Documentation',
+     'Glance Developers', 'GlanceReleaseNotes',
      'One line description of project.',
      'Miscellaneous'),
 ]