chore: remove legacy .env.example (superseded by .env.sample)

.env.example

@@ -1,37 +0,0 @@
-# Server Configuration
-PORT=3001
-LOG_LEVEL=info
-
-# Cookie signing secret for tamper-proof session cookies
-# Required in production. Generate with: openssl rand -hex 32
-COOKIE_SECRET=your_cookie_secret_here
-
-# Set to 1 (or a specific IP/CIDR) when running behind a reverse proxy
-# (Nginx, Caddy, Traefik) so Express trusts X-Forwarded-For/Proto.
-# Leave unset if sofarr is exposed directly.
-# TRUST_PROXY=1
-
-# Directory for persistent data (SQLite token store + logs)
-# Defaults to ./data relative to project root
-# DATA_DIR=/app/data
-
-# Background polling interval in ms (default: 5000)
-# Set to 0 or "off" to disable and fetch on-demand instead
-# POLL_INTERVAL=5000
-
-# Emby Configuration (single instance)
-EMBY_URL=http://localhost:8096
-EMBY_API_KEY=your_emby_api_key
-
-# SABnzbd Instances (JSON array)
-# Format: [{"name": "Instance Name", "url": "http://...", "apiKey": "..."}]
-SABNZBD_INSTANCES=[{"name": "Primary", "url": "http://localhost:8080", "apiKey": "your_api_key"}]
-
-# Sonarr Instances (JSON array)
-SONARR_INSTANCES=[{"name": "Primary", "url": "http://localhost:8989", "apiKey": "your_api_key"}]
-
-# Radarr Instances (JSON array)
-RADARR_INSTANCES=[{"name": "Primary", "url": "http://localhost:7878", "apiKey": "your_api_key"}]
-
-# qBittorrent Instances (JSON array)
-QBITTORRENT_INSTANCES=[{"name": "main", "url": "http://localhost:8080", "username": "admin", "password": "your_password"}]