fix(build): hardcode blocks cap 5000 in .py — remove yaml env var

yaml changes cause build failure. Cap hardcoded in
patch_block_major_worker_capacity.py instead. yaml unchanged.

computility-run.yaml

@@ -49,5 +49,3 @@ env:
       value: '1'
     - name: PYTORCH_CUDA_ALLOC_CONF
       value: max_split_size_mb:512
-    - name: BI100_MAX_GPU_BLOCKS
-      value: '5000'