lower final logit softcapping from 30 to 15 ( as kellerjordans x post reccomends)

config.json

@@ -14,7 +14,7 @@
     "bos_token_id": 1,
     "eos_token_id": 2,
     "ep_size": 1,
-    "final_logit_softcapping": 30.0,
+    "final_logit_softcapping": 15.0,
     "first_k_dense_replace": 3,
     "hidden_act": "relu2",
     "hidden_size": 400,