Remove redundant u in unicode string for python3

doc/conf.py

@@ -60,18 +60,18 @@ source_suffix = '.rst'
 master_doc = 'index'
 
 # General information about the project.
-project = u'Moulinette'
-copyright = u'2017, YunoHost Collective'
-author = u'YunoHost Collective'
+project = 'Moulinette'
+copyright = '2017, YunoHost Collective'
+author = 'YunoHost Collective'
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
 # built documents.
 #
 # The short X.Y version.
-version = u'2.6.1'
+version = '2.6.1'
 # The full version, including alpha/beta/rc tags.
-release = u'2.6.1'
+release = '2.6.1'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
@@ -156,8 +156,8 @@ latex_elements = {
 # (source start file, target name, title,
 #  author, documentclass [howto, manual, or own class]).
 latex_documents = [
-    (master_doc, 'Moulinette.tex', u'Moulinette Documentation',
-     u'YunoHost Collective', 'manual'),
+    (master_doc, 'Moulinette.tex', 'Moulinette Documentation',
+     'YunoHost Collective', 'manual'),
 ]
 
 
@@ -166,7 +166,7 @@ latex_documents = [
 # One entry per manual page. List of tuples
 # (source start file, name, description, authors, manual section).
 man_pages = [
-    (master_doc, 'moulinette', u'Moulinette Documentation',
+    (master_doc, 'moulinette', 'Moulinette Documentation',
      [author], 1)
 ]
 
@@ -177,7 +177,7 @@ man_pages = [
 # (source start file, target name, title, author,
 #  dir menu entry, description, category)
 texinfo_documents = [
-    (master_doc, 'Moulinette', u'Moulinette Documentation',
+    (master_doc, 'Moulinette', 'Moulinette Documentation',
      author, 'Moulinette', 'One line description of project.',
      'Miscellaneous'),
 ]