Sarah Clements 7ea0760c58 Remove heroku v2 (#7271) ... * update dockerfile and remove post_compile * remove more heroku mentions * remove redis heroku ref * update middleware and CSP * remove irrelevant test and script references to heroku remove tox heroku command from circleCI config * more references removed * remove prototype2 reference * remove old TLS check for redis		2021-09-16 11:30:12 +01:00
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pre_deploy	…