Revert "[Build/CI] Add tracing deps to vllm container image (#15224)" (#19378)

.buildkite/test-pipeline.yaml

@@ -177,6 +177,11 @@ steps:
   - tests/tracing
   commands:
   - pytest -v -s metrics
+  - "pip install \
+      'opentelemetry-sdk>=1.26.0' \
+      'opentelemetry-api>=1.26.0' \
+      'opentelemetry-exporter-otlp>=1.26.0' \
+      'opentelemetry-semantic-conventions-ai>=0.4.1'"
   - pytest -v -s tracing
 
 ##### fast check tests  #####

requirements/common.txt

@@ -44,7 +44,3 @@ watchfiles # required for http server to monitor the updates of TLS files
 python-json-logger # Used by logging as per examples/others/logging_configuration.md
 scipy # Required for phi-4-multimodal-instruct
 ninja # Required for xgrammar, rocm, tpu, xpu
-opentelemetry-sdk>=1.26.0  # vllm.tracing
-opentelemetry-api>=1.26.0  # vllm.tracing
-opentelemetry-exporter-otlp>=1.26.0  # vllm.tracing
-opentelemetry-semantic-conventions-ai>=0.4.1  # vllm.tracing