Remove Redundant Assignment in Qwen3_VisionPatchMerger (#25224)

Signed-off-by: Junhong <liujunhong11@huawei.com>
Co-authored-by: Junhong <liujunhong11@huawei.com>
Co-authored-by: Roger Wang <hey@rogerw.io>

vllm/model_executor/models/qwen3_vl.py

@@ -223,9 +223,7 @@ class Qwen3_VisionPatchMerger(nn.Module):
 
         if norm_layer is None:
             norm_layer = partial(nn.LayerNorm, eps=1e-6)
-        self.use_postshuffle_norm = use_postshuffle_norm
-        self.norm = norm_layer(
-            self.hidden_size if use_postshuffle_norm else context_dim)
+        self.norm = norm_layer(context_dim)
         self.linear_fc1 = ColumnParallelLinear(self.hidden_size,
                                                self.hidden_size,
                                                bias=True,