test: Unwaive Gemma3 27B fp8 test

Author: brb-nv

tests/integration/test_lists/waives.txt

@@ -283,7 +283,6 @@ examples/test_gemma.py::test_hf_gemma_fp8_base_bf16_multi_lora[gemma-2-9b-it] SK
 examples/test_gemma.py::test_hf_gemma_fp8_base_bf16_multi_lora[gemma-2-27b-it] SKIP (https://nvbugs/5434451)
 examples/test_gemma.py::test_hf_gemma_fp8_base_bf16_multi_lora[gemma-3-1b-it] SKIP (https://nvbugs/5434451)
 accuracy/test_llm_api_pytorch.py::TestQwen3_235B_A22B::test_nvfp4[latency_moe_trtllm_eagle3] SKIP (https://nvbugs/5437384)
-accuracy/test_llm_api_pytorch.py::TestGemma3_27BInstruct::test_fp8_prequantized SKIP (https://nvbugs/5445774)
 accuracy/test_disaggregated_serving.py::TestQwen3_8B::test_nixl_backend SKIP (https://nvbugs/5448437)
 disaggregated/test_disaggregated.py::test_disaggregated_benchmark_on_diff_backends[DeepSeek-V3-Lite-fp8] SKIP (https://nvbugs/5448449)
 test_e2e.py::test_ptp_quickstart_multimodal[llava-v1.6-mistral-7b-llava-v1.6-mistral-7b-hf-image-False] SKIP (https://nvbugs/5444095)