Update artifact_requirements.txt

Author: stevebachmeier

{{cookiecutter.package_name}}/artifact_requirements.txt

@@ -12,11 +12,9 @@ pyyaml
 scipy
 tables
 vivarium_inputs>=5.0.0
-# Note viv_in is not install with [data] extra because we might need to specify the branch
-# for viv_in for the data requirements
 vivarium_gbd_access>=4.0.0
 vivarium_cluster_tools>=2.0.0
 black==22.3.0
 isort
 jupyterlab
-matplotlib
+matplotlib