change use_hf_rope to False

Author: Danqing Wang (MPK)

examples/models/smollm/135M_config.json

@@ -1,14 +1,14 @@
 {
     "dim": 576,
     "ffn_dim_multiplier": 1,
-    "hidden_dim": 576,
+    "hidden_dim": 1536,
     "n_heads": 9,
     "n_kv_heads": 3,
     "n_layers": 30,
     "norm_eps": 1e-05,
     "rope_theta": 10000.0,
     "use_scaled_rope": false,
     "vocab_size": 49152,
-    "use_hf_rope": true,
+    "use_hf_rope": false,
     "attention_qkv_bias": false
   }