chore!: remove restructureDir migration path (#3518)

* chore!: remove `restructureDir` migration path

* test: update test fixtures to use the default value of `restructureDir`

* docs: describe removal of migration path

* refactor: simplify

* test: fix incorrect fixture structures

* test: fix incorrect fixture structures

* test: fix incorrect fixture structures

Author: BobbieGoede

docs/content/docs/02.guide/90.migrating.md

@@ -4,7 +4,6 @@ export default defineNuxtConfig({
 
   srcDir: '.',
   i18n: {
-    restructureDir: false,
     lazy: false,
     baseUrl: 'http://localhost:3000',
     // strategy: 'prefix',

docs/content/docs/04.api/00.options.md

@@ -15,7 +15,6 @@ export default defineNuxtConfig({
   ],
   plugins: [`../plugins/i18nHooks.ts`],
   i18n: {
-    restructureDir: false,
     baseUrl: 'http://localhost:3000',
     vueI18n: './config/i18n.config.ts',
     locales: ['en', 'fr'],

…ecs/fixtures/basic/config/i18n.config.ts …ixtures/basic/i18n/config/i18n.config.tsspecs/fixtures/basic/config/i18n.config.ts renamed to specs/fixtures/basic/i18n/config/i18n.config.ts specs/fixtures/basic/config/i18n.config.ts renamed to specs/fixtures/basic/i18n/config/i18n.config.ts

@@ -18,7 +18,6 @@ export default defineNuxtConfig({
   ],
   plugins: [`../plugins/i18nHooks.ts`],
   i18n: {
-    restructureDir: false,
     baseUrl: 'http://localhost:3000',
     vueI18n: './config/i18n.config.ts',
     locales: ['en', 'fr'],