Revert "Adds brotli compression with gzip fallback"

[rosschapman]

Reverts #200

Oops, learned the hard way that heroku does not support brotli compression in their nginx build pack yet. See: heroku/heroku-buildpack-nginx#109

From logs:

2024-09-16T18:18:34.926620+00:00 app[web.1]: nginx: [warn] the "user" directive makes sense only if the master process runs with super-user privileges, ignored in /etc/nginx/nginx.conf:2
2024-09-16T18:18:34.926889+00:00 app[web.1]: 2024/09/16 18:18:34 [emerg] 2#2: unknown directive "brotli" in /etc/nginx/conf.d/default.conf:38
2024-09-16T18:18:34.926889+00:00 app[web.1]: nginx: [emerg] unknown directive "brotli" in /etc/nginx/conf.d/default.conf:38
2024-09-16T18:18:34.963929+00:00 heroku[web.1]: Process exited with status 1
2024-09-16T18:18:34.988087+00:00 heroku[web.1]: State changed from starting to crashed
2024-09-16T18:43:45.476437+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=our415-abb7eecb7449.herokuapp.com request_id=27847239-392b-4285-ba8f-4f3d81bf76c0 fwd="72.70.49.145" dyno= connect= service= status=503 bytes= protocol=https
2024-09-16T18:43:45.667867+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=our415-abb7eecb7449.herokuapp.com request_id=096eeba2-0f04-462a-b88d-ca56cb08d3dc fwd="72.70.49.145" dyno= connect= service= status=503 bytes= protocol=https
2024-09-16T18:43:46.949003+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=our415-abb7eecb7449.herokuapp.com request_id=53986a9d-0283-412c-8b50-04c9af21a8f6 fwd="72.70.49.145" dyno= connect= service= status=503 bytes= protocol=https
2024-09-16T18:46:48.497980+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=our415-abb7eecb7449.herokuapp.com request_id=a9272d5b-bbcc-4a90-a20d-8e5391f4efdd fwd="72.70.49.145" dyno= connect= service= status=503 bytes= protocol=https
2024-09-16T18:46:48.702466+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=our415-abb7eecb7449.herokuapp.com request_id=24dadf4b-e2a8-4f47-b4fe-13a59d146643 fwd="72.70.49.145" dyno= connect= service= status=503 bytes= protocol=https
Disconnected from log stream. There may be events happening that you do not see here! Attempting to reconnect...
2024-09-16T18:18:34.926620+00:00 app[web.1]: nginx: [warn] the "user" directive makes sense only if the master process runs with super-user privileges, ignored in /etc/nginx/nginx.conf:2
2024-09-16T18:18:34.926889+00:00 app[web.1]: 2024/09/16 18:18:34 [emerg] 2#2: unknown directive "brotli" in /etc/nginx/conf.d/default.conf:38
2024-09-16T18:18:34.926889+00:00 app[web.1]: nginx: [emerg] unknown directive "brotli" in /etc/nginx/conf.d/default.conf:38
2024-09-16T18:18:34.963929+00:00 heroku[web.1]: Process exited with status 1
2024-09-16T18:18:34.988087+00:00 heroku[web.1]: State changed from starting to crashed
2024-09-16T18:43:45.476437+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=our415-abb7eecb7449.herokuapp.com request_id=27847239-392b-4285-ba8f-4f3d81bf76c0 fwd="72.70.49.145" dyno= connect= service= status=503 bytes= protocol=https
2024-09-16T18:43:45.667867+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=our415-abb7eecb7449.herokuapp.com request_id=096eeba2-0f04-462a-b88d-ca56cb08d3dc fwd="72.70.49.145" dyno= connect= service= status=503 bytes= protocol=https
2024-09-16T18:43:46.949003+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=our415-abb7eecb7449.herokuapp.com request_id=53986a9d-0283-412c-8b50-04c9af21a8f6 fwd="72.70.49.145" dyno= connect= service= status=503 bytes= protocol=https
2024-09-16T18:46:48.497980+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=our415-abb7eecb7449.herokuapp.com request_id=a9272d5b-bbcc-4a90-a20d-8e5391f4efdd fwd="72.70.49.145" dyno= connect= service= status=503 bytes= protocol=https
2024-09-16T18:46:48.702466+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=our415-abb7eecb7449.herokuapp.com request_id=24dadf4b-e2a8-4f47-b4fe-13a59d146643 fwd="72.70.49.145" dyno= connect= service= status=503 bytes= protocol=https