Remove old docker-compose based dev setup

The devcontainer replaces Dockerfile.dev, dc.dev.yml and the related
start/entrypoint scripts.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

scripts/entrypoint-dev.sh

@@ -1,11 +0,0 @@
-#!/bin/bash
-
-set -e
-
-source "$(dirname "$0")/db-setup.sh"
-
-flask add-domain finn.st
-flask add-domain stutzenste.in
-flask reset-admin admin@finn.st admin
-
-exec "$@"

scripts/start-as-prod.sh

@@ -1,3 +0,0 @@
-#!/bin/bash
-export FLASK_ENV=production
-gunicorn -w 1 -b 0.0.0.0:8000 max.app:app

scripts/start.sh

@@ -1,2 +0,0 @@
-#!/bin/bash
-flask run --host 0.0.0.0 --port 8000