Revert commit editing docs/conf.py

Changes should be made in docs/custom_conf.py where possible.

Enable custom_rst_epilog in docs/custom_conf.py (set to an empty string)
in lieu of removing rst_epilog from docs/conf.py (this commit restores
rst_epilog to docs/conf.py).

Remove global ruff: noqa directive for docs/conf.py -- ruff linting for
this file is already disabled in pyproject.toml

docs/conf.py

@@ -1,4 +1,3 @@
-# ruff: noqa
 import sys
 import os
 
@@ -99,6 +98,12 @@
 ]
 exclude_patterns.extend(custom_excludes)
 
+rst_epilog = '''
+.. include:: /reuse/links.txt
+'''
+if 'custom_rst_epilog' in locals():
+    rst_epilog = custom_rst_epilog
+
 source_suffix = {
     '.rst': 'restructuredtext',
     '.md': 'markdown',

docs/custom_conf.py

@@ -235,7 +235,7 @@ def _compute_navigation_tree(context):
 # Specify a reST string that is included at the end of each file.
 # If commented out, use the default (which pulls the reuse/links.txt
 # file into each reST file).
-# custom_rst_epilog = ''
+custom_rst_epilog = ''
 
 # By default, the documentation includes a feedback button at the top.
 # You can disable it by setting the following configuration to True.