chore: remove puppeteer CF bypass (not working for Leet/Hubbly/Habblet)

Cloudflare has strengthened protection on these hotels.
Puppeteer-based bypass returns HTML instead of JSON.
cloudscraper has dependency issues with Node.js v26.

Reverted to simple HTTP fetch with clear error messages.

next.config.ts

@@ -36,16 +36,7 @@ const securityHeaders = [
 const nextConfig: NextConfig = {
 	deploymentId: resolveDeploymentId(),
 	turbopack: {},
-	serverExternalPackages: [
-		"mariadb",
-		"lzma",
-		"sharp",
-		"pino",
-		"pino-pretty",
-		"puppeteer",
-		"puppeteer-extra",
-		"puppeteer-extra-plugin-stealth",
-	],
+	serverExternalPackages: ["mariadb", "lzma", "sharp", "pino", "pino-pretty"],
 
 	// Enable React Compiler for automatic memoization
 	reactCompiler: true,