fix year and purge remains of the original link check

Author: honzajavorek

conf.py

@@ -13,7 +13,7 @@
 # -- Project information -----------------------------------------------------
 
 project = "Dokumentace české Python komunity"
-copyright = "2023, Pyvec, z.s."
+copyright = "2025, Pyvec, z.s."
 author = "Pyvec, z.s."
 
 # The short X.Y version
@@ -138,18 +138,6 @@
 epub_exclude_files = ["search.html"]
 
 
-# -- Extension configuration -------------------------------------------------
-
-linkcheck_ignore = [
-    r"https?://127\.0\.0\.1:\d+",  # localhost
-    r"https://docs\.google\.com.*",  # links to private documents
-    r"https://(www\.)?(twitter|x|facebook|buffer|nytimes)\.com.*",  # crawling/DDoS protection
-    r"https://cz\.pycon\.org/\d+/.+",  # see https://pyvec.slack.com/archives/C4PPZNPDK/p1617716799001200
-    r"https://github\.com/[^/]+/[^/]+/commits/.+",  # GitHub aggressively rate-limits these
-    r"https://pyvec\.slack\.com",  # Slack is not public
-]
-
-
 # -- Options for todo extension ----------------------------------------------
 
 # If true, `todo` and `todoList` produce output, else they produce nothing.