Revert "[serve, vllm] add vllm-example that we can reference to (#36617)"

.buildkite/pipeline.gpu_large.yml

@@ -50,7 +50,7 @@
     ["NO_WHEELS_REQUIRED", "RAY_CI_PYTHON_AFFECTED", "RAY_CI_TUNE_AFFECTED", "RAY_CI_DOC_AFFECTED"]
   commands:
     - cleanup() { if [ "${BUILDKITE_PULL_REQUEST}" = "false" ]; then ./ci/build/upload_build_info.sh; fi }; trap cleanup EXIT
-    - DOC_TESTING=1 TRAIN_TESTING=1 TUNE_TESTING=1 INSTALL_VLLM=1 ./ci/env/install-dependencies.sh
+    - DOC_TESTING=1 TRAIN_TESTING=1 TUNE_TESTING=1 ./ci/env/install-dependencies.sh
     - pip install -Ur ./python/requirements/ml/requirements_ml_docker.txt
     - ./ci/env/env_info.sh
     # Test examples with newer version of `transformers`

ci/env/install-dependencies.sh

@@ -394,11 +394,6 @@ install_pip_packages() {
     requirements_packages+=("holidays==0.24") # holidays 0.25 causes `import prophet` to fail.
   fi
 
-  # Additional dependency for vllm.
-  if [ "${INSTALL_VLLM-}" = 1 ]; then
-    requirements_packages+=("vllm")
-  fi
-
   # Data processing test dependencies.
   if [ "${DATA_PROCESSING_TESTING-}" = 1 ] || [ "${DOC_TESTING-}" = 1 ]; then
     requirements_files+=("${WORKSPACE_DIR}/python/requirements/data_processing/requirements.txt")

doc/BUILD

@@ -200,7 +200,6 @@ py_test_run_all_subdirectory(
         "source/ray-air/doc_code/computer_vision.py",
         "source/ray-air/doc_code/hf_trainer.py",  # Too large
         "source/ray-air/doc_code/predictors.py",
-        "source/serve/doc_code/vllm_example.py", # Requires GPU
     ],
     extra_srcs = [],
     tags = ["exclusive", "team:ml"],
@@ -280,15 +279,6 @@ py_test_run_all_subdirectory(
     tags = ["exclusive", "team:ml", "ray_air", "gpu"],
 )
 
-py_test(
-    name = "vllm_example",
-    size = "large",
-    include = ["source/serve/doc_code/vllm_example.py"],
-    exclude = [],
-    extra_srcs = [],
-    tags = ["exclusive", "team:serve", "gpu"],
-)
-
 py_test(
     name = "pytorch_resnet_finetune",
     size = "large",