Create a NO-OP mixin to shut up pylint. Fixes #5989.

Craeted a simple new style class to make pylint shut up, because SaltLoggingClass can't subclass `object` directly:

     'Cannot create a consistent method resolution order (MRO) for bases'
Merge pull request #6002 from s0undt3ch/develop

Create a NO-OP mixin to shut up pylint. Fixes #5989.