Refactor localization and simplify HomeScreen functionality

- Removed English and Russian localization files, focusing solely on Turkmen.
- Simplified language initialization in i18n.ts to default to Turkmen.
- Cleaned up HomeScreen by removing modal for language selection and related state management.

i18n.ts

@@ -1,29 +1,16 @@
 import { I18n } from 'i18n-js';
-import * as Localization from 'expo-localization';
-import AsyncStorage from '@react-native-async-storage/async-storage';
-
-import en from './locales/en.json';
 import tk from './locales/tk.json';
-import ru from './locales/ru.json';
 
 const i18n = new I18n({
-  en,
   tk,
-  ru,
 });
 
+i18n.locale = 'tk';
 i18n.enableFallback = true;
 
 // Function to initialize the language
 export const initializeLanguage = async () => {
-  const savedLanguage = await AsyncStorage.getItem('user-language');
-  if (savedLanguage) {
-    i18n.locale = savedLanguage;
-  } else {
-    // If no language is saved, detect from device and default to Turkmen
-    const userLanguageCode = Localization.getLocales()[0]?.languageCode;
-    i18n.locale = ['en', 'tk', 'ru'].includes(userLanguageCode || '') ? userLanguageCode! : 'tk';
-  }
+  i18n.locale = 'tk';
 };
 
 export default i18n;