[Misc] Remove deprecation warning for beam search (#6659)

Author: WoosukKwon

vllm/sampling_params.py

@@ -8,7 +8,6 @@
 from pydantic import Field
 from typing_extensions import Annotated
 
-import vllm.envs as envs
 from vllm.logger import init_logger
 
 logger = init_logger(__name__)
@@ -189,18 +188,6 @@ def __init__(
 
         self._verify_args()
         if self.use_beam_search:
-            # Lazy import to avoid circular imports.
-            from vllm.usage.usage_lib import set_runtime_usage_data
-            set_runtime_usage_data("use_beam_search", True)
-
-            if not envs.VLLM_NO_DEPRECATION_WARNING:
-                logger.warning(
-                    "[IMPORTANT] We plan to discontinue the support for beam "
-                    "search in the next major release. Please refer to "
-                    "https://github.com/vllm-project/vllm/issues/6226 for "
-                    "more information. Set VLLM_NO_DEPRECATION_WARNING=1 to "
-                    "suppress this warning.")
-
             self._verify_beam_search()
         else:
             self._verify_non_beam_search()