remove d-r-c and upgrade channels-redis
Description
channels-redis is having connectivity issues due to an old aioredis package it relies on. Since we aren't using django-redis-cache it has been removed. channels-redis and redis have been updated to replace old aioredis functionality
Issues this PR resolves
A checklist for hand testing
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Run automated tests -
I ran a test manually and it ran to completion
Checklist
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Code review by me -
Hand tested by me -
I'm proud of my work -
Code review by reviewer -
Hand tested by reviewer -
CircleCi tests are passing -
Ready to merge