Removed useless doc

.gitlab-ci.yml

@@ -7,11 +7,4 @@ flake8:
     - pip3 install flake8
   script:
     # Run flake8 (pycodestyle + pyflakes) check.
-    # https://pycodestyle.readthedocs.io/en/latest/intro.html#error-codes
-    # Ignored errors:
-    # - E128: continuation line under-indented for visual indent
-    # - E501: line too long
-    # - E731: do not assign a lambda expression, use a def
-    # - W504: line break after binary operator (conflicts with old pep8 package)
-    # - W505: doc line too long
     - flake8 .