[deps] remove cu121 build args for llm lock files (#57737)

removing cu121 build arg set

Signed-off-by: elliot-barn <elliot.barnwell@anyscale.com>

Author: elliot-barn

.buildkite/dependencies.rayci.yml

@@ -29,7 +29,6 @@ steps:
       - cp ./python/deplocks/llm/* /artifact-mount/
     job_env: manylinux
     depends_on: manylinux
-    soft_fail: true
 
   - label: ":tapioca: build: raydepsets: compile ray img dependencies"
     key: raydepsets_compile_rayimg_dependencies

ci/raydepsets/configs/rayllm.depsets.yaml

@@ -2,9 +2,6 @@ build_arg_sets:
   cpu:
     PYTHON_VERSION: py311
     CUDA_CODE: cpu
-  cu121:
-    PYTHON_VERSION: py311
-    CUDA_CODE: cu121
   cu128:
     PYTHON_VERSION: py311
     CUDA_CODE: cu128