pythonGH-125722: Remove Sphinx patches (pythonGH-129277)

(cherry picked from commit d40692d)

Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>

Doc/tools/extensions/pyspecific.py

@@ -40,16 +40,6 @@
     Body.enum.converters['lowerroman'] = \
     Body.enum.converters['upperroman'] = lambda x: None
 
-# monkey-patch the productionlist directive to allow hyphens in group names
-# https://github.com/sphinx-doc/sphinx/issues/11854
-from sphinx.domains import std
-
-std.token_re = re.compile(r'`((~?[\w-]*:)?\w+)`')
-
-# backport :no-index:
-PyModule.option_spec['no-index'] = directives.flag
-
-
 # Support for marking up and linking to bugs.python.org issues
 
 def issue_role(typ, rawtext, text, lineno, inliner, options={}, content=[]):