📚 DOCS: punycode and mdurl are now used (#179)

Author: hukkin

markdown_it/port.yaml

@@ -26,10 +26,6 @@
       Reduce use of charCodeAt() by storing char codes in a srcCharCodes attribute for state
       objects and sharing those whenever possible
       This provides a significant performance boost
-    - |
-      Use python's built-in `html.escape` and `urlparse.quote` methods, as a replacement for
-      the JS dependencies [mdurl](https://www.npmjs.com/package/mdurl)
-      and [punycode](https://www.npmjs.com/package/punycode)
     - |
       In markdown_it/rules_block/reference.py,
       record line range in state.env["references"] and add state.env["duplicate_refs"]