[Bugfix] Avoid duplicate k-proj weight emission in helper (#34142)

Signed-off-by: Artus KG <artuskg@gmail.com>

vllm/model_executor/models/whisper.py

@@ -958,8 +958,8 @@ def _create_fake_bias_for_k_proj(
     So that the bias for k_proj in qkv_proj can be initialized with zeros.
     """
     for name, weight in weights:
+        yield name, weight
         if name.endswith(fake_bias_key_name):
             bias = torch.zeros(weight.size(0))
             bias_name = name.replace("weight", "bias")
-            yield from [(name, weight), (bias_name, bias)]
-        yield name, weight
+            yield bias_name, bias