Remove ruff format check, replaced by black lint job

Author: lukekim

.github/workflows/lint.yml

@@ -32,9 +32,6 @@ jobs:
       - name: Install requirements
         run: |
           pip install ".[test]"
-      - name: Check formatting with ruff
-        run: |
-          ruff format --check spicepy tests
       - name: Lint with ruff
         run: |
           ruff check spicepy tests