fix: Removed duplicate field definitions in some classes (#31888)

Removed duplicate field definitions in classes.

tests/models/fnet/test_modeling_fnet.py

@@ -295,7 +295,6 @@ class FNetModelTest(ModelTesterMixin, PipelineTesterMixin, unittest.TestCase):
     # Skip Tests
     test_pruning = False
     test_head_masking = False
-    test_pruning = False
 
     # TODO: Fix the failed tests
     def is_pipeline_test_to_skip(

tests/models/mamba/test_modeling_mamba.py

@@ -258,7 +258,6 @@ class MambaModelTest(ModelTesterMixin, GenerationTesterMixin, PipelineTesterMixi
     test_model_parallel = False
     test_pruning = False
     test_head_masking = False  # Mamba does not have attention heads
-    test_model_parallel = False
     pipeline_model_mapping = (
         {"feature-extraction": MambaModel, "text-generation": MambaForCausalLM} if is_torch_available() else {}
     )

tests/models/recurrent_gemma/test_modeling_recurrent_gemma.py

@@ -298,7 +298,6 @@ class RecurrentGemmaModelTest(ModelTesterMixin, GenerationTesterMixin, PipelineT
     test_model_parallel = False
     test_pruning = False
     test_head_masking = False  # RecurrentGemma does not have attention heads
-    test_model_parallel = False
 
     # Need to remove 0.9 in `test_cpu_offload`
     # This is because we are hitting edge cases with the causal_mask buffer