Update config.json with correct model-repo-name

This sets the `_name_or_path` parameter to the model repo-name.

config.json

@@ -1,5 +1,5 @@
 {
-  "_name_or_path": "/weka2/home-duyphung/stablelm2-ckpts/stablecode-3b-sft-1003-v1-neft-tune-safe-name",
+  "_name_or_path": "stabilityai/stable-code-instruct-3b",
   "architectures": [
     "StableLmForCausalLM"
   ],