revert: keep @intlify/shared in knip config

Author: cylewaitforit

knip.ts

@@ -45,6 +45,9 @@ const config: KnipConfig = {
         /** Some components import types from here, but installing it directly could lead to a version mismatch */
         'vue-router',
 
+        /** Required by @nuxtjs/i18n at runtime but not directly imported in production code */
+        '@intlify/shared',
+
         /** Oxlint plugins don't get picked up yet */
         '@e18e/eslint-plugin',
         'eslint-plugin-regexp',