Update Dockerfile

Author: cclauss

Dockerfile

@@ -7,6 +7,5 @@ LABEL "com.github.actions.color"="6f42c1"
 
 RUN pip install --upgrade pip
 RUN pip install flake8
-RUN python -c "print('=' * 80)"
 
 CMD ["flake8", "/github/workspace/", "--count", "--select=E901,E999,F821,F822,F823", "--show-source", "--statistics"]