Revert "Test Gunicorn config & Heroku"

This reverts commit 54b772b.

Author: RadoRado

gunicorn.conf.py

@@ -4,5 +4,5 @@
 # Based on https://adamj.eu/tech/2019/09/19/working-around-memory-leaks-in-your-django-app/
 # https://docs.gunicorn.org/en/latest/settings.html#max-requests
 # https://docs.gunicorn.org/en/latest/settings.html#max-requests-jitter
-max_requests = 1
-max_requests_jitter = 1
+max_requests = 1200
+max_requests_jitter = 100