remove useless patch (#4699)

patach_config is useless now. Let's remove it


- vLLM version: v0.12.0
- vLLM main:
ad32e3e19c

Signed-off-by: wangxiyuan <wangxiyuan1007@gmail.com>
Co-authored-by: Mengqing Cao <cmq0113@163.com>

tests/e2e/nightly/features/test_mtpx_deepseek_r1_0528_w8a8.py

@@ -74,10 +74,7 @@ async def test_models(model: str, mode: str) -> None:
         "VLLM_EXECUTE_MODEL_TIMEOUT_SECONDS": "3600000"
     }
     additional_config: dict[str, Any] = {}
-    speculative_config = {
-        "num_speculative_tokens": 2,
-        "method": "deepseek_mtp"
-    }
+    speculative_config = {"num_speculative_tokens": 2, "method": "mtp"}
     compilation_config = {
         "cudagraph_capture_sizes": [56],
         "cudagraph_mode": "FULL_DECODE_ONLY"

tests/e2e/nightly/features/test_prefix_cache_deepseek_r1_0528_w8a8.py

@@ -84,10 +84,7 @@ async def test_models(model: str) -> None:
         "chunked_prefill_for_mla": True,
         "enable_weight_nz_layout": True
     }
-    speculative_config = {
-        "num_speculative_tokens": 1,
-        "method": "deepseek_mtp"
-    }
+    speculative_config = {"num_speculative_tokens": 1, "method": "mtp"}
     server_args = [
         "--quantization", "ascend", "--data-parallel-size", "2",
         "--tensor-parallel-size", "8", "--enable-expert-parallel", "--port",