DOC: Switch to html5 production

QuLogic · QuLogic · commit 027821cbfcc2 · 2022-06-15T14:18:43.000-04:00
The pydata-sphinx-theme is ready, and even optimized for, an HTML5 page.
Additionally, docutils&gt;=0.17 has started using HTML5 semantic tags
already.
diff --git a/doc/conf.py b/doc/conf.py
@@ -559,8 +559,6 @@ def matplotlib_reduced_latex_scraper(block, block_vars, gallery_conf,
 
 numpydoc_show_class_members = False
 
-html4_writer = True
-
 inheritance_node_attrs = dict(fontsize=16)
 
 graphviz_dot = shutil.which('dot')
