chore: Remove unused GUI packages

Remove PyQt5, pyqtgraph, python-pysap - none are imported in codebase.

Keeps lean runtime for ShapePipe. Note: scikit-learn and numba also
appear unused but left for discussion with maintainers.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: cailmdaley

Dockerfile

@@ -72,9 +72,6 @@ RUN pip install --no-cache-dir --upgrade pip && \
     numpy==1.26.4 \
     numpydoc==1.2  \
     pandas==2.2  \
-    PyQt5==5.15.11 \
-    python-pysap==0.3.0 \
-    pyqtgraph==0.12.4 \
     pytest==8.3.3 \
     pytest-cov==5.0.0 \
     pytest-pycodestyle==2.4.1 \