Removed comments on docs dependencies

requirements/docs.txt

@@ -1,7 +1,7 @@
 # dependencies for building docs, separate from dev.txt as this is also used for builds on readthedocs.org
 # core dependencies
 sphinx>=4.2.0, <8.2.0
-sphinx-autodoc-typehints>=1.12.0, <2.6.0  # limited due to https://github.com/tox-dev/sphinx-autodoc-typehints/issues/260
+sphinx-autodoc-typehints>=1.12.0, <2.6.0
 sphinx-rtd-theme>=1.0.0, <3.1.0
 myst-parser>=1.0, <3.0
 sphinxcontrib-apidoc>=0.3.0, <0.6.0