Revert "Markup guide"

Author: biniona-mongodb

conf.py

@@ -68,8 +68,7 @@ def has(self, *args):
     '.. |hardlink| replace:: {0}/{1}'.format(conf.project.url, conf.git.branches.current),
     '.. |branch| replace:: ``{0}``'.format(conf.git.branches.current),
     '.. |bi| replace:: MongoDB Connector for BI',
-    '.. |mdbsg| replace:: MongoDB Style Guide',
-    '.. |yaml| replace:: :abbr:`YAML (Yet Another Markup Language)`'
+    '.. |mdbsg| replace:: MongoDB Style Guide'
 ])
 
 pygments_style = 'sphinx'
@@ -123,7 +122,6 @@ def has(self, *args):
     'package-version': '4.4.0',
     'package-name-org': 'mongodb-org',
     'version': '4.0',
-    'docsteam': 'MongoDB Documentation Group'
 }
 
 ## add `extlinks` for each published version.