Removing jaxlib from python_extra_deps
Removing jaxlib from python_extra_deps

Reason: the proper one required by the specified Jax version should be installed alongside Jax.

The specific version seems to be causing problems in testing on Github actions: https://github.com/deepmind/open_spiel/runs/4471352897?check_suite_focus=true
deepmind/open_spiel,deepmind/open_spiel,deepmind/open_spiel,deepmind/open_spiel,deepmind/open_spiel,deepmind/open_spiel