[CI] Trim redundant B200 test registrations (#33586)

test/registered/backends/test_flashinfer_trtllm_gen_attn_backend.py

@@ -1,65 +0,0 @@
-import os
-import unittest
-from types import SimpleNamespace
-
-from sglang.srt.utils import kill_process_tree
-from sglang.test.ci.ci_register import register_cuda_ci
-from sglang.test.run_eval import run_eval
-from sglang.test.test_utils import (
-    DEFAULT_TIMEOUT_FOR_SERVER_LAUNCH,
-    DEFAULT_URL_FOR_TEST,
-    CustomTestCase,
-    popen_launch_server,
-)
-
-register_cuda_ci(est_time=300, suite="nightly-4-gpu-b200", nightly=True)
-
-
-class TestFlashinferTrtllmGenAttnBackend(CustomTestCase):
-    @classmethod
-    def setUpClass(cls):
-        cls.model = "Qwen/Qwen3-Next-80B-A3B-Instruct"
-        cls.base_url = DEFAULT_URL_FOR_TEST
-        cls.process = popen_launch_server(
-            cls.model,
-            cls.base_url,
-            timeout=DEFAULT_TIMEOUT_FOR_SERVER_LAUNCH,
-            env={**os.environ, "SGLANG_ENABLE_JIT_DEEPGEMM": "False"},
-            other_args=[
-                "--attention-backend",
-                "trtllm_mha",
-                "--cuda-graph-max-bs-decode",
-                "512",
-                "--tp-size",
-                "4",
-                "--ep-size",
-                "4",
-                "--mem-fraction-static",
-                "0.7",
-                "--mamba-ssm-dtype",
-                "bfloat16",
-                "--disable-radix-cache",
-            ],
-        )
-
-    @classmethod
-    def tearDownClass(cls):
-        kill_process_tree(cls.process.pid)
-
-    def test_gsm8k(self):
-        args = SimpleNamespace(
-            base_url=self.base_url,
-            model=self.model,
-            eval_name="gsm8k",
-            api="completion",
-            max_tokens=512,
-            num_examples=200,
-            num_threads=128,
-        )
-        metrics = run_eval(args)
-        print(f"{metrics=}")
-        self.assertGreater(metrics["score"], 0.93)
-
-
-if __name__ == "__main__":
-    unittest.main()