Tidy vllm/config/__init__.py to only add classes and functions (#26405)

Signed-off-by: Harry Mellor <19981378+hmellor@users.noreply.github.com>

vllm/config/__init__.py

@@ -1,42 +1,28 @@
 # SPDX-License-Identifier: Apache-2.0
 # SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
-from vllm.config.cache import (
-    BlockSize,
-    CacheConfig,
-    CacheDType,
-    MambaDType,
-    PrefixCachingHashAlgo,
-)
+from vllm.config.cache import CacheConfig
 from vllm.config.compilation import (
     CompilationConfig,
     CompilationLevel,
     CUDAGraphMode,
     PassConfig,
 )
-from vllm.config.device import Device, DeviceConfig
+from vllm.config.device import DeviceConfig
 from vllm.config.kv_events import KVEventsConfig
 from vllm.config.kv_transfer import KVTransferConfig
 from vllm.config.load import LoadConfig
 from vllm.config.lora import LoRAConfig
 from vllm.config.model import (
-    ConvertOption,
-    HfOverrides,
-    LogprobsMode,
     ModelConfig,
-    ModelDType,
-    ModelImpl,
-    RunnerOption,
-    TaskOption,
-    TokenizerMode,
     iter_architecture_defaults,
     try_match_architecture_defaults,
 )
-from vllm.config.multimodal import MMCacheType, MMEncoderTPMode, MultiModalConfig
-from vllm.config.observability import DetailedTraceModules, ObservabilityConfig
-from vllm.config.parallel import DistributedExecutorBackend, EPLBConfig, ParallelConfig
+from vllm.config.multimodal import MultiModalConfig
+from vllm.config.observability import ObservabilityConfig
+from vllm.config.parallel import EPLBConfig, ParallelConfig
 from vllm.config.pooler import PoolerConfig
-from vllm.config.scheduler import RunnerType, SchedulerConfig, SchedulerPolicy
+from vllm.config.scheduler import SchedulerConfig
 from vllm.config.speculative import SpeculativeConfig
 from vllm.config.speech_to_text import SpeechToTextConfig
 from vllm.config.structured_outputs import StructuredOutputsConfig
@@ -56,20 +42,17 @@ from vllm.config.vllm import (
     set_current_vllm_config,
 )
 
+# __all__ should only contain classes and functions.
+# Types and globals should be imported from their respective modules.
 __all__ = [
     # From vllm.config.cache
-    "BlockSize",
     "CacheConfig",
-    "CacheDType",
-    "MambaDType",
-    "PrefixCachingHashAlgo",
     # From vllm.config.compilation
     "CompilationConfig",
     "CompilationLevel",
     "CUDAGraphMode",
     "PassConfig",
     # From vllm.config.device
-    "Device",
     "DeviceConfig",
     # From vllm.config.kv_events
     "KVEventsConfig",
@@ -80,34 +63,20 @@ __all__ = [
     # From vllm.config.lora
     "LoRAConfig",
     # From vllm.config.model
-    "ConvertOption",
-    "HfOverrides",
-    "LogprobsMode",
     "ModelConfig",
-    "ModelDType",
-    "ModelImpl",
-    "RunnerOption",
-    "TaskOption",
-    "TokenizerMode",
     "iter_architecture_defaults",
     "try_match_architecture_defaults",
     # From vllm.config.multimodal
-    "MMCacheType",
-    "MMEncoderTPMode",
     "MultiModalConfig",
     # From vllm.config.observability
-    "DetailedTraceModules",
     "ObservabilityConfig",
     # From vllm.config.parallel
-    "DistributedExecutorBackend",
     "EPLBConfig",
     "ParallelConfig",
     # From vllm.config.pooler
     "PoolerConfig",
     # From vllm.config.scheduler
-    "RunnerType",
     "SchedulerConfig",
-    "SchedulerPolicy",
     # From vllm.config.speculative
     "SpeculativeConfig",
     # From vllm.config.speech_to_text