Remove penguin references (#469)

After this PR, the only remaining penguin references are in the NeMo-RL
tutorial, but these should be fixed with tutorial rewrite.

Closes NVIDIA-NeMo/Internal-Planning#131

Signed-off-by: Ahmad Kiswani <kiswani.ahmad@gmail.com>

Author: ahmadki

penguin/__init__.py

@@ -286,7 +286,7 @@ ng_version = "nemo_gym.cli:version"
 
 [tool.setuptools.packages.find]
 where = ["."]
-include = ["resources_servers", "responses_api_agents", "responses_api_models", "nemo_gym", "penguin"]
+include = ["resources_servers", "responses_api_agents", "responses_api_models", "nemo_gym"]
 
 ################################################
 # Testing