[Misc] Delete LoRA-related redundancy code (#17841)

Signed-off-by: Jee Jee Li <pandaleefree@gmail.com>

vllm/model_executor/models/grok1.py

@@ -504,9 +504,7 @@ class Grok1ForCausalLM(nn.Module, SupportsLoRA, SupportsPP):
             self.unpadded_vocab_size,
             config.hidden_size,
             org_num_embeddings=config.vocab_size,
-            padding_size=DEFAULT_VOCAB_PADDING_SIZE
-            # We need bigger padding if using lora for kernel compatibility
-            if not lora_config else lora_config.lora_vocab_padding_size,
+            padding_size=DEFAULT_VOCAB_PADDING_SIZE,
             quant_config=quant_config,
             prefix=maybe_prefix(prefix, "lm_head"),
         )