[Platform] Deprecate seed_everything (#31659)

Signed-off-by: wangxiyuan <wangxiyuan1007@gmail.com>

tests/kernels/moe/test_cpu_fused_moe.py

@@ -8,6 +8,7 @@ from tests.kernels.allclose_default import get_default_atol, get_default_rtol
 from vllm._custom_ops import cpu_fused_moe, cpu_prepack_moe_weight
 from vllm.model_executor.layers.activation import SiluAndMul, SwigluOAIAndMul
 from vllm.platforms import current_platform
+from vllm.utils.torch_utils import set_random_seed
 
 if not current_platform.is_cpu():
     pytest.skip("skipping CPU-only tests", allow_module_level=True)
@@ -114,7 +115,7 @@ def test_cpu_fused_moe(
     act: str,
     isa: str,
 ):
-    current_platform.seed_everything(0)
+    set_random_seed(0)
 
     topk_num = max(expert_num // 2, 1)
     up_dim = 2 * intermediate_size