Code cleanup: Remove comments and verbose logging

src/app/services/world-bank.ts

@@ -25,7 +25,6 @@ export class WorldBankService {
     
     return this.http.get<any>(url).pipe(
       map(response => {
-        // Check if API returned an error message
         if (response[0]?.message) {
           throw new Error(`World Bank API: ${response[0].message[0].value}`);
         }
@@ -42,7 +41,6 @@ export class WorldBankService {
       }),
       catchError(error => {
         console.error(`Failed to fetch data for ${countryCode}:`, error);
-        // Return placeholder data instead of failing completely
         return of({
           name: `Country Code: ${countryCode}`,
           capital: 'Data not available',