CI: do not upgrade (now-unpineed) torch

Author: kba

.github/workflows/test-eynollah.yml

@@ -67,10 +67,6 @@ jobs:
         make install-dev EXTRAS=OCR,plotting
         make deps-test EXTRAS=OCR,plotting
 
-    - name: Hard-upgrade torch for debugging
-      run: |
-        python -m pip install --upgrade torch
-
     - name: Test with pytest
       run: make coverage PYTEST_ARGS="-vv --junitxml=pytest.xml"