remove fp8 test

Author: brb-nv

tests/integration/defs/disaggregated/test_configs/disagg_config_ctxtp2_gentp1cp2_deepseek_v3_lite_fp8_tllm_gen.yaml

@@ -271,10 +271,6 @@ def get_test_config(test_desc, example_dir, test_root):
         (4,
          f"{test_configs_root}/disagg_config_ctxtp2_gentp1cp2_deepseek_v3_lite_bf16_tllm_gen.yaml"
          ),
-        "deepseek_v3_lite_fp8_tllm_gen_helix":
-        (4,
-         f"{test_configs_root}/disagg_config_ctxtp2_gentp1cp2_deepseek_v3_lite_fp8_tllm_gen.yaml"
-         ),
     }
 
     if test_desc not in config_map: