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

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

vllm/config/model.py

@@ -75,7 +75,7 @@ else:
 logger = init_logger(__name__)
 
 RunnerOption = Literal["auto", RunnerType]
-ConvertType = Literal["none", "embed", "classify", "reward", "mm_encoder_only"]
+ConvertType = Literal["none", "embed", "classify"]
 ConvertOption = Literal["auto", ConvertType]
 TokenizerMode = Literal["auto", "hf", "slow", "mistral", "deepseek_v32"]
 ModelDType = Literal["auto", "half", "float16", "bfloat16", "float", "float32"]
@@ -499,15 +499,6 @@ class ModelConfig:
         )
         self.model_arch_config = self.get_model_arch_config()
 
-        if self.convert == "mm_encoder_only":
-            logger.warning_once(
-                "`--convert mm_encoder_only` is deprecated and "
-                "will be removed in v0.15. "
-                "Please use --mm-encoder-only` instead."
-            )
-            mm_encoder_only = True
-            self.convert = "none"
-
         architectures = self.architectures
         registry = self.registry
         is_generative_model = registry.is_text_generation_model(architectures, self)
@@ -855,13 +846,6 @@ class ModelConfig:
         runner_type: RunnerType,
         convert: ConvertOption,
     ) -> ConvertType:
-        if convert == "reward":
-            logger.warning(
-                "`--convert reward` is deprecated and will be removed in v0.15. "
-                "Please use `--convert embed` instead."
-            )
-            return "embed"
-
         if convert != "auto":
             return convert