[Config] Retire get_global_server_args, and clear the deprecated flags that have a replacement (#38375)

test/manual/test_w4a8_deepseek_v3.py

@@ -63,7 +63,7 @@ class TestDeepseekV3W4Afp8Mtp(CustomTestCase):
             "--trust-remote-code",
             "--ep-size",
             "8",
-            "--cuda-graph-bs",
+            "--cuda-graph-bs-decode",
             "256",
             "--disable-radix-cache",
             "--speculative-algorithm",
@@ -130,7 +130,7 @@ class TestDeepseekV3W4Afp8DeepepNormal(CustomTestCase):
             "--trust-remote-code",
             "--ep-size",
             "8",
-            "--cuda-graph-bs",
+            "--cuda-graph-bs-decode",
             "256",
             "--disable-radix-cache",
             "--moe-a2a-backend",
@@ -185,7 +185,7 @@ class TestDeepseekV3W4Afp8DeepepAutoMtp(CustomTestCase):
             "--trust-remote-code",
             "--ep-size",
             "8",
-            "--cuda-graph-bs",
+            "--cuda-graph-bs-decode",
             "256",
             "--disable-radix-cache",
             "--moe-a2a-backend",