Remove unnecessary requirements.txt and environment.yml.

Author: gpleiss

.github/workflows/run_test_suite.yml

@@ -52,11 +52,11 @@ jobs:
         else
           pip install torch==1.11+cpu -f https://download.pytorch.org/whl/torch_stable.html;
         fi
+        pip install -e .
         if [[ ${{ matrix.extras }} == "with-extras" ]]; then
           pip install "pyro-ppl>=1.8";
           pip install faiss-cpu;  # Unofficial pip release: https://pypi.org/project/faiss-cpu/#history
         fi
-        pip install -r requirements.txt
     - name: Run unit tests
       run: |
         python -m unittest discover
@@ -73,8 +73,7 @@ jobs:
       run: |
         pip install torch==1.11+cpu -f https://download.pytorch.org/whl/torch_stable.html
         pip install pytest nbval jupyter tqdm matplotlib torchvision scipy
-        pip install -r requirements.txt
-        python setup.py build develop
+        pip install -e .
         pip install "pyro-ppl>=1.8";
           pip install faiss-cpu;  # Unofficial pip release: https://pypi.org/project/faiss-cpu/#history
     - name: Run example notebooks