Replace OAuth Google Calendar sync with a one-click 'Add to calendar' link — no setup needed, works for any Google account

.env.example

@@ -4,12 +4,3 @@
 ADMIN_BOOTSTRAP_EMAIL=admin@top-sysops.ru
 ADMIN_BOOTSTRAP_PASSWORD=
 ADMIN_BOOTSTRAP_NAME=Admin
-
-# Public origin this app is reachable at — must match exactly (scheme +
-# host, no trailing slash). Used to build the Google OAuth redirect URI.
-APP_URL=https://reser.top-sysops.ru
-
-# Google Cloud Console → APIs & Services → Credentials → OAuth client ID.
-# Add ${APP_URL}/api/google/callback as an authorized redirect URI there.
-GOOGLE_CLIENT_ID=
-GOOGLE_CLIENT_SECRET=