fix (ai): remove deprecated experimental_wrapLanguageModel (#5771)

Co-authored-by: Lars Grammel <lars.grammel@gmail.com>

Author: gr2m

.changeset/hungry-zebras-applaud.md

@@ -0,0 +1,5 @@
+---
+'ai': patch
+---
+
+remove deprecated `experimental_wrapLanguageModel`

packages/ai/core/middleware/index.ts

@@ -1,7 +1,4 @@
 export { defaultSettingsMiddleware } from './default-settings-middleware';
 export { extractReasoningMiddleware } from './extract-reasoning-middleware';
 export { simulateStreamingMiddleware } from './simulate-streaming-middleware';
-export {
-  experimental_wrapLanguageModel,
-  wrapLanguageModel,
-} from './wrap-language-model';
+export { wrapLanguageModel } from './wrap-language-model';

packages/ai/core/middleware/wrap-language-model.ts

@@ -95,9 +95,3 @@ const doWrap = ({
     },
   };
 };
-
-/**
- * @deprecated Use `wrapLanguageModel` instead.
- */
-// TODO remove in v5
-export const experimental_wrapLanguageModel = wrapLanguageModel;