Remove admin user stuff..

..it's done on first launch now

.env.sample

@@ -6,9 +6,6 @@ DOMAIN=plausible.example.com
 #EXTRA_DOMAINS=', `www.plausible.example.com`'
 LETS_ENCRYPT_ENV=production
 
-ADMIN_USER_EMAIL=replace-me
-ADMIN_USER_NAME=replace-me
-ADMIN_USER_PWD=replace-me
 SECRET_KEY_BASE=replace-me
 DISABLE_AUTH=replace-me # true or false
 DISABLE_REGISTRATION=replace-me # true or false

compose.yml

@@ -10,9 +10,6 @@ services:
       - events_db
     environment:
       - BASE_URL=https://$DOMAIN
-      - ADMIN_USER_EMAIL
-      - ADMIN_USER_NAME
-      - ADMIN_USER_PWD
       - SECRET_KEY_BASE
       - DATABASE_URL=postgres://plausible:plausible@${STACK_NAME}_db:5432/plausible
       - SMTP_HOST_ADDR