chore(internal): remove unused type var (#82)

Author: stainless-bot

src/orb/pagination.py

@@ -1,6 +1,6 @@
 # File generated from our OpenAPI spec by Stainless.
 
-from typing import List, Generic, TypeVar, Optional
+from typing import List, Generic, Optional
 from typing_extensions import override
 
 from ._types import ModelT
@@ -9,8 +9,6 @@
 
 __all__ = ["SyncPage", "AsyncPage"]
 
-_BaseModelT = TypeVar("_BaseModelT", bound=BaseModel)
-
 
 class PagePaginationMetadata(BaseModel):
     has_more: bool