[V1] Get supported tasks from model runner instead of model config (#21585)

Signed-off-by: DarkLight1337 <tlleungac@connect.ust.hk>

vllm/model_executor/models/bert.py

@@ -26,8 +26,8 @@ from vllm.model_executor.layers.quantization import QuantizationConfig
 from vllm.model_executor.layers.vocab_parallel_embedding import (
     VocabParallelEmbedding)
 from vllm.model_executor.pooling_metadata import PoolingMetadata
-from vllm.pooling_params import PoolingTask
 from vllm.sequence import IntermediateTensors
+from vllm.tasks import PoolingTask
 
 from .interfaces import SupportsCrossEncoding, SupportsQuant, SupportsV0Only
 from .utils import AutoWeightsLoader, WeightsMapper, maybe_prefix