[Deprecation] Remove deprecated items related to pooling (#33477)

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

vllm/config/pooler.py

@@ -45,11 +45,13 @@ class PoolerConfig:
     The pooling method used for tokenwise pooling.
     """
 
-    ## for embeddings models
-    normalize: bool | None = None
+    use_activation: bool | None = None
     """
-    DEPRECATED: please use `use_activation` instead.
+    Whether to apply activation function to the pooler outputs.
+    `None` uses the pooler's default, which is `True` in most cases.
     """
+
+    ## for embedding models
     dimensions: int | None = None
     """
     Reduce the dimensions of embeddings if model
@@ -73,19 +75,6 @@ class PoolerConfig:
     """
 
     ## for classification models
-    softmax: float | None = None
-    """
-    DEPRECATED: please use `use_activation` instead.
-    """
-    activation: float | None = None
-    """
-    DEPRECATED: please use `use_activation` instead.
-    """
-    use_activation: bool | None = None
-    """
-    Whether to apply activation function to the classification outputs.
-    Defaults to True.
-    """
     logit_bias: float | None = None
     """
     If provided, apply classification logit biases. Defaults to None.
@@ -105,10 +94,7 @@ class PoolerConfig:
     `math-shepherd-mistral-7b-prm` model.
     """
 
-    def __post_init__(self):
-        # raise deprecated warning for softmax and activation
-        self.use_activation = get_use_activation(self)
-
+    def __post_init__(self) -> None:
         if pooling_type := self.pooling_type:
             if self.seq_pooling_type is not None:
                 raise ValueError(
@@ -161,28 +147,3 @@ class PoolerConfig:
         factors: list[Any] = []
         hash_str = safe_hash(str(factors).encode(), usedforsecurity=False).hexdigest()
         return hash_str
-
-
-def get_use_activation(o: object):
-    if (normalize := getattr(o, "normalize", None)) is not None:
-        logger.warning_once(
-            "`normalize` is deprecated and will be removed in v0.15. "
-            "Please use `use_activation` instead."
-        )
-        return normalize
-
-    if (softmax := getattr(o, "softmax", None)) is not None:
-        logger.warning_once(
-            "`softmax` is deprecated and will be removed in v0.15. "
-            "Please use `use_activation` instead."
-        )
-        return softmax
-
-    if (activation := getattr(o, "activation", None)) is not None:
-        logger.warning_once(
-            "`activation` is deprecated and will be removed in v0.15. "
-            "Please use `use_activation` instead."
-        )
-        return activation
-
-    return getattr(o, "use_activation", None)