unittests.yml: comment out ShellCheck

.github/workflows/unittests.yml

@@ -1,4 +1,4 @@
-name: Python package
+name: unittests workflow
 
 on: push
 
@@ -14,12 +14,12 @@ jobs:
 
     steps:
       - uses: actions/checkout@v3
-      - name: Run ShellCheck
-        uses: ludeeus/action-shellcheck@master
-        with:
-          version: v0.9.0
-          ignore_paths: >-
-            contrib/build-linux
+#      - name: Run ShellCheck
+#        uses: ludeeus/action-shellcheck@master
+#        with:
+#          version: v0.9.0
+#          ignore_paths: >-
+#            contrib/build-linux
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v4
         with: