Remove 3rd-party dependencies from Python coverage workflow

CI Action fails when trying to set up micromamba for FSL and ANTs. So for now, only get faithful test coverage of commands that have zero third-party neuroimaging dependencies; these can all be added together at a later date.

Author: Lestropie

.github/workflows/weekly_python_coverage.yml

@@ -30,26 +30,6 @@ jobs:
       with:
         cmakeVersion: '3.22.1'
 
-    - name: Set up neuroimaging dependencies
-      uses: mamba-org/setup-micromamba@v2
-      with:
-        micromamba-version: latest
-        environment-name: neuro
-        create-args: >-
-          -c conda-forge
-          python>=3.8
-          fsl
-          fsl-eddy-cpu
-          ants
-        cache-environment: true
-        init-shell: bash
-
-    - name: Configure external tool environment
-      run: |
-        echo "FSLDIR=$CONDA_PREFIX" >> $GITHUB_ENV
-        echo "FSLOUTPUTTYPE=NIFTI_GZ" >> $GITHUB_ENV
-        echo "ANTSPATH=$CONDA_PREFIX/bin" >> $GITHUB_ENV
-
     - name: Install Python coverage tools
       run: pip install coverage deepatropos
 
@@ -91,7 +71,7 @@ jobs:
         echo "COVERAGE_PYTHONPATH=/tmp/pycov${PYTHONPATH:+:$PYTHONPATH}" >> $GITHUB_ENV
 
     - name: Run Python script tests
-      # Tests requiring AFNI (3dautomask), HD-BET, or SynthStrip will fail;
+      # Tests requiring any external neuroimaging software will fail;
       # their partial execution still contributes coverage for reached code paths.
       # All tests share the same working directory (script_test_data root) and
       # write to overlapping tmp* paths, so parallelism is explicitly disabled.