Fix 'topk_indices_dtype' of 'HPUFp8MoEMethod' object has no setter

Signed-off-by: Paweł Olejniczak <polejniczakx@habana.ai>

Author: pawel-olejniczak

vllm_gaudi/ops/hpu_fp8.py

@@ -71,8 +71,6 @@ def __init__(self, quant_config: Fp8Config, layer: torch.nn.Module):
         # disable DeepGemm support.
         self.allow_deep_gemm = False
 
-        self.topk_indices_dtype = None
-
     def create_weights(self, *args, **kwargs) -> None:
         if hpu_ops.is_hpu_gaudi2:
             kwargs['weight_loader'] = hpu_ops.gaudi_weight_wrapper(kwargs.get('weight_loader'))