Remove all XAMPP support from CMS (files, references, configs)

.env.example

@@ -1,5 +1,5 @@
 # AtomCMS Environment Configuration
-# Works on Linux (Nginx/Apache) and Windows (XAMPP/IIS)
+# Works on Linux (Nginx/Apache) and Windows (IIS)
 # Copy to .env and adjust values for your setup
 
 # ==========================================
@@ -15,7 +15,7 @@ APP_URL=http://localhost
 # DATABASE - Works on Linux & Windows
 # ==========================================
 DB_CONNECTION=mariadb
-DB_HOST=127.0.0.1        # Linux: 127.0.0.1, Windows XAMPP: localhost
+DB_HOST=127.0.0.1
 DB_PORT=3306
 DB_DATABASE=habbo
 DB_USERNAME=root