[Refactor] Migrate Legacy Stage Configs to the Pipeline Registry (#5031)

Signed-off-by: zwhzzz0821 <2831474076@qq.com>
Co-authored-by: zwhzzz0821 <zwhzzz0821@users.noreply.github.com>
Co-authored-by: SYLAR <125541396+lishunyang12@users.noreply.github.com>
Co-authored-by: Hongsheng Liu <liuhongsheng4@huawei.com>

pyproject.toml

@@ -151,7 +151,6 @@ include = ["vllm_omni*"]
 
 [tool.setuptools.package-data]
 "vllm_omni" = ["_version.py", "py.typed"]
-"vllm_omni.model_executor.stage_configs" = ["*.yaml"]
 
 [tool.setuptools_scm]
 # no extra settings needed, presence enables setuptools-scm