Remove temporary pins in docs build (#828)

We added a number of temporary pins to our docs page to solve failures
from pypi packages, but we can remove them now

Signed-off-by: Peter St. John <pstjohn@nvidia.com>

Author: pstjohn

docs/requirements.txt

@@ -9,5 +9,3 @@ mkdocs-include-dir-to-nav
 mkdocs-literate-nav
 mkdocs-site-urls
 mike
-griffe==1.6.2 # temporary pin for bionemo-noodles build issue with 1.6.3
-mistune==3.0.2 # temporary pin until https://github.com/lepture/mistune/issues/403 is resolved.