Revert "Add Tidelift badges"

This reverts commit ddf0726.

There does not seem to be any benefit to users of pylint-django here

Author: carlio

README.rst

@@ -13,9 +13,6 @@ pylint-django
 .. image:: https://img.shields.io/pypi/v/pylint-django.svg
     :target: https://pypi.python.org/pypi/pylint-django
 
-.. image:: https://github.com/PyCQA/pylint-django/blob/master/tidelift_logo.png
-    :target: https://tidelift.com/subscription/pkg/pypi-pylint-django?utm_source=pypi-pylint-django&utm_medium=referral&utm_campaign=readme
-    :alt: Get professional support for pylint-django
 
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