[Bugfix][OpenVINO] Fix circular reference #9939 (#9974)

Signed-off-by: MengqingCao <cmq0113@163.com>

vllm/platforms/openvino.py

@@ -1,10 +1,12 @@
 import torch
 
 import vllm.envs as envs
-from vllm.utils import print_warning_once
+from vllm.logger import init_logger
 
 from .interface import Platform, PlatformEnum
 
+logger = init_logger(__name__)
+
 
 class OpenVinoPlatform(Platform):
     _enum = PlatformEnum.OPENVINO
@@ -27,5 +29,5 @@ class OpenVinoPlatform(Platform):
 
     @classmethod
     def is_pin_memory_available(self) -> bool:
-        print_warning_once("Pin memory is not supported on OpenViNO.")
+        logger.warning("Pin memory is not supported on OpenViNO.")
         return False