Simplify the sphinx autodoc configuration

We can exclude specific members (e.g., __weakref__) from the docs
using the 'exclude-members' option rather than using a custom function.

doc/conf.py

@@ -37,30 +37,13 @@ autodoc_mock_imports = ['h5py', 'lhs', 'numpy', 'scipy', 'tomli', 'tomli_w']
 # Include class constructors (__init__) in the generated documentation.
 # autoclass_content = 'both'
 
-# Automatically document module/class members (including __init__).
+# Automatically document module/class members (including __init__), while also
+# ignoring certain special members (e.g., __weakref__).
 autodoc_default_options = {
     'members': True,
+    'exclude-members': '__weakref__, __doc__, __module__, __dict__',
 }
 
-
-# While we want documentation of special members such as __init__,
-# we also want to ignore some special members (e.g., __weakref__).
-# The following is taken from http://stackoverflow.com/a/21449475
-def autodoc_skip_member(app, what, name, obj, skip, options):
-    exclusions = (
-        '__weakref__',  # special-members
-        '__doc__',
-        '__module__',
-        '__dict__',  # undoc-members
-    )
-    exclude = name in exclusions
-    return True if exclude else None
-
-
-def setup(app):
-    app.connect('autodoc-skip-member', autodoc_skip_member)
-
-
 # Make member documentation reflect the order of definition in the source.
 autodoc_member_order = 'bysource'