Remove internal paths and links

Drop the local-path backbone_source_model and vlm_name_or_path fields from the reference-free config, and point the README to the GitHub repository.

README.md

@@ -15,7 +15,7 @@ repository provides one reference-based checkpoint and one reference-free checkp
 
 **Model weights:** The model weights are released under the [OpenMDW-1.1](https://openmdw.ai/license/1-1/) license.
 
-**Source code:** Apache License 2.0, as provided in the Alpamayo 2 Super source repository.
+**Source code:** Apache License 2.0, as provided in the [AlpaJudge GitHub repository](https://github.com/NVlabs/alpajudge).
 
 ## Checkpoints
 
@@ -47,6 +47,6 @@ repo_dir = Path(
 checkpoint = repo_dir / variant
 ```
 
-Use the standalone `alpajudge` inference package to load either subfolder without the Alpax
-training or dataset stack. See the [usage guide](https://gitlab-master.nvidia.com/alpamayo/alpamayo/-/blob/c3745201c7d02818c34c853baced43bfdd363fe9/projects/alpajudge_release/README.md)
-for setup, complete RB and RF examples, input contracts, score definitions, and limitations.
+Use the `alpajudge` inference package to load either subfolder. See the
+[usage guide](https://github.com/NVlabs/alpajudge#readme) for setup, complete RB and RF examples,
+input contracts, score definitions, and limitations.

reference-free/config.json

@@ -13,7 +13,6 @@
     "min_pixels": 163840
   },
   "backbone_source_config_sha256": "4b3933e89063c79431fbda26d8f27e645c660b2fb51c52ee15d765e3e579678f",
-  "backbone_source_model": "/lustre/fsw/portfolios/av/projects/av_alpamayo_reasoning/users/wenhaod/alpamayo_jobs/cosmos-rl-jobs/alpamayo-2-model-2b-v1.17-s1-aws_20260529183056/outputs/20260529183056/safetensors/step_100000",
   "backbone_vlm_config_sha256": "f1043e53e344583304960e52b94a19953e39a034759eeff725ae7937ca792f5a",
   "dtype": "bfloat16",
   "freeze_vision": true,
@@ -229,6 +228,5 @@
     },
     "vision_end_token_id": 151653,
     "vision_start_token_id": 151652
-  },
-  "vlm_name_or_path": "/lustre/fsw/portfolios/av/projects/av_alpamayo_reasoning/users/wenhaod/alpamayo_jobs/cosmos-rl-jobs/alpamayo-2-model-2b-v1.17-s1-aws_20260529183056/outputs/20260529183056/safetensors/step_100000"
+  }
 }