Revert "docs: Disable smartquotes"

Bump the minimum version of oslo.config to 6.1.0, which adds proper
support for parsing Opt.help as rST [1]. This in turn allows us to
revert commit 75fc300901, which is a
temporary fix relying on deprecated features of Sphinx.

[1] https://review.openstack.org/#/c/553860/

Change-Id: I8f56bdce37cfc538348490052a24e463164c86a3

doc/source/conf.py

@@ -159,10 +159,6 @@ html_extra_path = ['_extra']
 # using the given strftime format.
 html_last_updated_fmt = '%Y-%m-%d %H:%M'
 
-# Disable smartquotes to ensure all quoted example config options can be copied
-# from the docs without later causing unicode errors within Nova.
-html_use_smartypants = False
-
 # -- Options for LaTeX output -------------------------------------------------
 
 # Grouping the document tree into LaTeX files. List of tuples

lower-constraints.txt

@@ -76,7 +76,7 @@ os-xenapi==0.3.3
 osc-lib==1.10.0
 oslo.cache==1.26.0
 oslo.concurrency==3.26.0
-oslo.config==5.2.0
+oslo.config==6.1.0
 oslo.context==2.19.2
 oslo.db==4.27.0
 oslo.i18n==3.15.3

requirements.txt

@@ -35,7 +35,7 @@ setuptools!=24.0.0,!=34.0.0,!=34.0.1,!=34.0.2,!=34.0.3,!=34.1.0,!=34.1.1,!=34.2.
 websockify>=0.8.0 # LGPLv3
 oslo.cache>=1.26.0 # Apache-2.0
 oslo.concurrency>=3.26.0 # Apache-2.0
-oslo.config>=5.2.0 # Apache-2.0
+oslo.config>=6.1.0 # Apache-2.0
 oslo.context>=2.19.2 # Apache-2.0
 oslo.log>=3.36.0 # Apache-2.0
 oslo.reports>=1.18.0 # Apache-2.0