Remove ldconfig (no root), CUDA fix via ctypes in miner.py, shutdown=14400

chute_config.yml

@@ -3,7 +3,6 @@ Image:
   run_command:
     - pip install --upgrade setuptools wheel
     - pip install 'numpy>=1.23' 'onnxruntime-gpu[cuda,cudnn]>=1.16' 'opencv-python>=4.7' 'pillow>=9.5' 'huggingface_hub>=0.19.4' 'pydantic>=2.0' 'pyyaml>=6.0' 'aiohttp>=3.9' 'torch>=2.8'
-    - python3 -c "import os,glob;libs=[d for p in ['/usr/local/lib/python3.12/dist-packages','/usr/lib/python3/dist-packages'] for d in glob.glob(os.path.join(p,'nvidia','*','lib'))];open('/etc/ld.so.conf.d/nvidia-pip.conf','w').write('\n'.join(libs)+'\n');print('Registered CUDA libs:',libs)" && ldconfig
 
 NodeSelector:
   gpu_count: 1