remove duplicate -

Author: Zeroto521

.github/workflows/tests.yml

@@ -42,7 +42,7 @@ jobs:
           use-mamba: true
 
       - name: Install PyJanitor
-      - run: python -m pip install -e .
+        run: python -m pip install -e .
 
       - name: Run not turtle unit tests
         run: pytest -m "not turtle"