[CI] Remove nccl RAS workaround. (#11349)

Author: trivialfis

ops/docker_run.py

@@ -70,7 +70,6 @@ def docker_run(
     docker_run_cli_args.extend(
         itertools.chain.from_iterable([["-e", f"{k}={v}"] for k, v in user_ids.items()])
     )
-    docker_run_cli_args.extend(["-e", "NCCL_RAS_ENABLE=0"])
     docker_run_cli_args.extend(extra_args)
     docker_run_cli_args.append(image_uri)
     docker_run_cli_args.extend(command_args)

ops/pipeline/test-python-wheel-impl.sh

@@ -45,7 +45,6 @@ case "$suite" in
   mgpu)
     echo "-- Run Python tests, using multiple GPUs"
     python -c 'from cupy.cuda import jitify; jitify._init_module()'
-    export NCCL_RAS_ENABLE=0
     pytest -v -s -rxXs --durations=0 -m 'mgpu' tests/python-gpu
     pytest -v -s -rxXs --durations=0 tests/test_distributed/test_gpu_with_dask
     pytest -v -s -rxXs --durations=0 tests/test_distributed/test_gpu_with_spark