Clean up fa3 test from 8 gpus (#6105)

Author: hebiao064

test/srt/run_suite.py

@@ -101,7 +101,6 @@ class TestFile:
         TestFile("test_moe_deepep_eval_accuracy_large.py", 250),
         TestFile("test_local_attn.py", 250),
         TestFile("test_full_deepseek_v3.py", 250),
-        TestFile("test_fa3.py", 30),
         TestFile("test_pp_single_node.py", 150),
     ],
     "nightly": [