Stop using unicode literals in docs conf.py

Change-Id: I8ce6749c3d634c68e5d4a15d812a046514cc35f5

doc/source/conf.py

@@ -71,13 +71,13 @@ source_suffix = '.rst'
 master_doc = 'index'
 
 # General information about the project.
-project = u'Swift'
+project = 'Swift'
 if 'SOURCE_DATE_EPOCH' in os.environ:
     now = float(os.environ.get('SOURCE_DATE_EPOCH'))
     now = datetime.datetime.utcfromtimestamp(now)
 else:
     now = datetime.date.today()
-copyright = u'%d, OpenStack Foundation' % now.year
+copyright = '%d, OpenStack Foundation' % now.year
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
@@ -209,8 +209,8 @@ htmlhelp_basename = 'swiftdoc'
 # (source start file, target name, title, author, documentclass
 # [howto/manual]).
 latex_documents = [
-    ('index', 'doc-swift.tex', u'Swift Documentation',
-     u'Swift Team', 'manual'),
+    ('index', 'doc-swift.tex', 'Swift Documentation',
+     'Swift Team', 'manual'),
 ]
 
 # The name of an image file (relative to this directory) to place at the top of