[Misc] remove warning if triton>=3.2.0 (#16553)

Signed-off-by: DefTruth <qiustudent_r@163.com>

vllm/attention/ops/triton_decode_attention.py

@@ -39,9 +39,10 @@ is_hip_ = current_platform.is_rocm()
 
 logger = logging.getLogger(__name__)
 
-# TODO: Remove this when triton>=3.2.0. This issue will not affect performance
-# and accuracy.
-logger.warning(
+# Only print the following warnings when triton version < 3.2.0.
+# The issue won't affect performance or accuracy.
+if triton.__version__ < '3.2.0':
+    logger.warning(
         "The following error message 'operation scheduled before its operands' "
         "can be ignored.")