remove unicode from code

Change-Id: Id68c3c917acaef59f5cb92dea035d0e104c92a57

doc/source/conf.py

@@ -45,7 +45,7 @@ source_suffix = '.rst'
 master_doc = 'index'
 
 # General information about the project.
-copyright = u'2016, OpenStack Foundation'
+copyright = '2016, OpenStack Foundation'
 
 # If true, '()' will be appended to :func: etc. cross-reference text.
 add_function_parentheses = True
@@ -78,8 +78,8 @@ htmlhelp_basename = 'virtualbmcdoc'
 latex_documents = [
     ('index',
      'doc-virtualbmc.tex',
-     u'VirtualBMC Documentation',
-     u'OpenStack Foundation', 'manual'),
+     'VirtualBMC Documentation',
+     'OpenStack Foundation', 'manual'),
 ]
 
 # Example configuration for intersphinx: refer to the Python standard library.