Retire the Qwen AR pipeline

tools/mtplx-binding-reference.py

@@ -48,7 +48,7 @@ def main(root, mode=None):
                     hot_mb=sidecar._hot_cap_rows * sidecar._hot_row_bytes // 2**20,
                     prefetch=sidecar._pool is not None, shape=list(out.shape),
                     sha256=hashlib.sha256(np.asarray(out.astype(mx.float32)).astype('<f4').tobytes()).hexdigest()))
-            print(json.dumps(dict(mask=mask, mtp=mtp, tables=tables, ar_ready=model.set_ar_pipeline_mode(True)),separators=(",", ":")),flush=True)
+            print(json.dumps(dict(mask=mask, mtp=mtp, tables=tables),separators=(",", ":")),flush=True)
             del model
             continue
         parameters = tree_flatten(model.parameters())