Remove PyTorch and Pyro-PPL from workflows

- Remove torch, torchvision, torchaudio installation from all workflows
- Remove pyro-ppl installation from all workflows
- Update step names from 'Install JAX, Numpyro, PyTorch' to 'Install JAX and Numpyro'
- Disable build cache in ci.yml for full test run
- Keep JAX and NumPyro installations

Author: mmcky

.github/workflows/cache.yml

@@ -20,12 +20,11 @@ jobs:
           python-version: "3.13"
           environment-file: environment.yml
           activate-environment: quantecon
-      - name: Install JAX, Numpyro, PyTorch
+      - name: Install JAX and Numpyro
         shell: bash -l {0}
         run: |
-          pip install --pre torch torchvision torchaudio --index-url https://download.pytorch.org/whl/nightly/cu128
           pip install --upgrade "jax[cuda12-local]==0.6.2"
-          pip install numpyro  
+          pip install numpyro
           python scripts/test-jax-install.py
       - name: Check nvidia drivers
         shell: bash -l {0}

.github/workflows/ci.yml

@@ -28,13 +28,11 @@ jobs:
           python-version: "3.13"
           environment-file: environment.yml
           activate-environment: quantecon
-      - name: Install JAX, Numpyro, PyTorch
+      - name: Install JAX and Numpyro
         shell: bash -l {0}
         run: |
-          pip install --pre torch torchvision torchaudio --index-url https://download.pytorch.org/whl/nightly/cu128
-          pip install pyro-ppl
-          pip install --upgrade "jax[cuda12-local]==0.6.2"
-          pip install numpyro pyro-ppl
+          pip install --upgrade "jax[cuda12-local]"
+          pip install numpyro
           python scripts/test-jax-install.py
       - name: Check nvidia Drivers
         shell: bash -l {0}
@@ -45,13 +43,13 @@ jobs:
       - name: Display Pip Versions
         shell: bash -l {0}
         run: pip list
-      - name: Download "build" folder (cache)
-        uses: dawidd6/action-download-artifact@v11
-        with:
-          workflow: cache.yml
-          branch: main
-          name: build-cache
-          path: _build
+      # - name: Download "build" folder (cache)
+      #   uses: dawidd6/action-download-artifact@v11
+      #   with:
+      #     workflow: cache.yml
+      #     branch: main
+      #     name: build-cache
+      #     path: _build
       # Build Assets (Download Notebooks and PDF via LaTeX)
       - name: Build Download Notebooks (sphinx-tojupyter)
         shell: bash -l {0}

.github/workflows/publish.yml

@@ -19,12 +19,11 @@ jobs:
           python-version: "3.13"
           environment-file: environment.yml
           activate-environment: quantecon
-      - name: Install JAX, Numpyro, PyTorch
+      - name: Install JAX and Numpyro
         shell: bash -l {0}
         run: |
-          pip install --pre torch torchvision torchaudio --index-url https://download.pytorch.org/whl/nightly/cu128
           pip install --upgrade "jax[cuda12-local]==0.6.2"
-          pip install numpyro  
+          pip install numpyro
           python scripts/test-jax-install.py
       - name: Check nvidia drivers
         shell: bash -l {0}