Fix lint errors (#2701)

Summary:

https://github.com/pytorch/executorch/actions/runs/8444809723/job/23131006488

Differential Revision: D55402192

Author: mergennachin

examples/models/llama2/quantize.py

@@ -514,7 +514,7 @@ def create_quantized_state_dict(self):
         for fqn, mod in self.mod.named_modules():
             if isinstance(mod, torch.nn.Linear):
                 assert not mod.bias
-                out_features = mod.out_features
+                # out_features = mod.out_features
                 in_features = mod.in_features
                 # print("in features:", in_features, " out features:", out_features)
                 # assert out_features % 8 == 0, "require out_features % 8 == 0"