[Frontend] Remove unreachable code from llm.py (#19288)

Signed-off-by: KsuParkhamchuk <k.parkhamchuk@gmail.com>

vllm/entrypoints/llm.py

@@ -519,7 +519,6 @@ class LLM:
                       Sequence) and len(lora_request) != len(prompts):
             raise ValueError(
                 "Lora request list should be the same length as the prompts")
-            return lora_request
 
         if lora_request is None or isinstance(lora_request, LoRARequest):
             return [lora_request] * len(prompts)