Remove unicode from code

In python 3, all strings are considered as unicode string.

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

Change-Id: I64af1c7c7415cd4ab99b6a913fb84fecbc0a3bf1
diff --git a/doc/source/conf.py b/doc/source/conf.py
index 59a2f64..b738fde 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -86,7 +86,7 @@
 master_doc = 'index'
 
 # General information about the project.
-copyright = u'2013, OpenStack QA Team'
+copyright = '2013, OpenStack QA Team'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
@@ -206,8 +206,8 @@
 # (source start file, target name, title, author, documentclass
 # [howto/manual]).
 latex_documents = [
-    ('index', 'doc-tempest.tex', u'Tempest Testing Project',
-     u'OpenStack Foundation', 'manual'),
+    ('index', 'doc-tempest.tex', 'Tempest Testing Project',
+     'OpenStack Foundation', 'manual'),
 ]
 
 latex_use_xindy = False