TST AQLM test no longer x-fails (#2506)

There has been an AQLM release with the fix to the issue that originally
broke the test.

Author: BenjaminBossan

tests/test_gpu_examples.py

@@ -2880,8 +2880,6 @@ def _check_inference_finite(self, model, batch):
         model.train(training)
 
     @pytest.mark.single_gpu_tests
-    # see https://github.com/Vahe1994/AQLM/pull/139
-    @pytest.mark.xfail(reason="AQLM does not work with PyTorch 2.5 (yet)", strict=True, raises=AttributeError)
     def test_causal_lm_training_aqlm(self):
         r"""
         Test the CausalLM training on a single GPU device. The test would simply fail if the adapters are not set