[Misc] Define common requirements (#3841)

requirements-cpu.txt

@@ -1,15 +1,6 @@
-cmake>=3.21
-ninja  # For faster builds.
-psutil
-ray >= 2.9
-sentencepiece  # Required for LLaMA tokenizer.
-numpy
-transformers >= 4.38.0  # Required for Gemma.
-fastapi
-uvicorn[standard]
-pydantic >= 2.0  # Required for OpenAI server.
-prometheus_client >= 0.18.0
-torch == 2.2.1+cpu 
-triton >= 2.1.0
-filelock == 3.13.3
-py-cpuinfo
+# Common dependencies
+-r requirements-common.txt
+
+# Dependencies for x86_64 CPUs
+torch == 2.2.1+cpu
+triton >= 2.1.0  # FIXME(woosuk): This is a hack to avoid import error.