Remove obsolete web scraper config from .env.example

Remove APP_VERSION (now from pyproject.toml) and web scraper settings.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.env.example

@@ -2,7 +2,6 @@
 
 # Application settings
 APP_NAME="Core Code API"
-APP_VERSION="1.0.0"
 DEBUG=false
 
 # Server settings
@@ -14,10 +13,3 @@ PORT=8083
 
 # Logging
 LOG_LEVEL=INFO
-
-# Web Scraper Module
-WEB_SCRAPER_REQUEST_TIMEOUT=30
-WEB_SCRAPER_MAX_REDIRECTS=5
-WEB_SCRAPER_USER_AGENT="Mozilla/5.0 (compatible; CoreCode/1.0)"
-WEB_SCRAPER_DEFAULT_MAX_LENGTH=10000
-WEB_SCRAPER_MAX_LINKS_TO_EXTRACT=50