[Misc] Remove Dynin-Omni and dots.tts support (#7655)

Signed-off-by: wangyu <410167048@qq.com>
Signed-off-by: Yueqian Lin <linyueqian@outlook.com>
Co-authored-by: Yueqian Lin <linyueqian@outlook.com>

tests/engine/test_arg_utils.py

@@ -539,7 +539,7 @@ def test_tensor_parallel_size_none_is_handled():
     engine_args = OmegaConf.create({"stage_id": 0, "engine_args": {"tensor_parallel_size": None}})
     args = build_engine_args_dict(
         engine_args,
-        model="snu-aidas/Dynin-Omni",
+        model="Qwen/Qwen2-VL-2B-Instruct",
     )
     assert isinstance(args, dict)
     assert "tensor_parallel_size" not in args