Remove unused mapping

Removed mappings for several language codes to country codes.

Author: Armatorix

apps/frontend/src/components/layout/language.component.tsx

@@ -30,14 +30,6 @@ const getCountryCodeForFlag = (languageCode: string) => {
   if (languageCode === 'he') return 'IL';
   if (languageCode === 'ja') return 'JP';
   if (languageCode === 'ko') return 'KR';
-  if (languageCode === 'pt') return 'PT';
-  if (languageCode === 'vi') return 'VN';
-  if (languageCode === 'ru') return 'RU';
-  if (languageCode === 'fr') return 'FR';
-  if (languageCode === 'de') return 'DE';
-  if (languageCode === 'it') return 'IT';
-  if (languageCode === 'tr') return 'TR';
-  if (languageCode === 'pl') return 'PL';
   // Check if language code itself is a valid country code
   try {
     const countryName = countries.getName(languageCode.toUpperCase(), 'en');