chore: Clean up workflow YAML files

- Removed unnecessary blank lines in the add-remove-label-on-comment.yml and check_python_dependencies.yml files to improve readability and maintainability.

.github/workflows/add-remove-label-on-comment.yml

@@ -17,4 +17,3 @@ on:
 jobs:
   add_remove_labels:
     uses: openedx/.github/.github/workflows/add-remove-label-on-comment.yml@master
-

.github/workflows/check_python_dependencies.yml

@@ -14,18 +14,18 @@ jobs:
     steps:
       - name: Checkout Repository
         uses: actions/checkout@v4
-                    
+
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
-      
+
       - name: Install repo-tools
         run: pip install edx-repo-tools[find_dependencies]
 
       - name: Install setuptool
-        run: pip install setuptools  
-      
+        run: pip install setuptools
+
       - name: Run Python script
         run: |
           find_python_dependencies \
@@ -37,4 +37,3 @@ jobs:
             --ignore https://github.com/mitodl/edx-sga \
             --ignore https://github.com/edx/token-utils \
             --ignore https://github.com/open-craft/xblock-poll
-