Fix lint errors (#2701)

Summary:
When #2691 landed, it commented out bunch of print lines, which triggered a lint warning (unused variable).

Pull Request resolved: #2701

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

Reviewed By: guangy10

Differential Revision: D55402192

fbshipit-source-id: 903a905dc9270a1eae6e1125f9110ead37e6d811

Author: mergennachin

examples/models/llama2/quantize.py

@@ -514,7 +514,6 @@ 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
                 in_features = mod.in_features
                 # print("in features:", in_features, " out features:", out_features)
                 # assert out_features % 8 == 0, "require out_features % 8 == 0"