Disable gemma accuracy tests

Author: vkovacevicTT

.github/workflows/perf-bench-matrix.json

@@ -338,18 +338,6 @@
         "pytest": "benchmark/tt-xla/test_llms.py::test_qwen_2_5_7b",
         "accuracy-testing": true
       },
-      {
-        "name": "google_gemma-1.1-2b-it_accuracy",
-        "pyreq": "datasets loguru pytest requests tabulate timm torch==2.9.0 tqdm transformers==4.57.1",
-        "pytest": "benchmark/tt-xla/test_llms.py::test_gemma_1_1_2b",
-        "accuracy-testing": true
-      },
-      {
-        "name": "google_gemma-2-2b-it_accuracy",
-        "pyreq": "datasets loguru pytest requests tabulate timm torch==2.9.0 tqdm transformers==4.57.1",
-        "pytest": "benchmark/tt-xla/test_llms.py::test_gemma_2_2b",
-        "accuracy-testing": true
-      },
       {
         "name": "microsoft_phi-1_accuracy",
         "pyreq": "datasets loguru pytest requests torch==2.9.0 tqdm transformers==4.57.1",