Chore: drop from __future__ import annotations across the repo

Python 3.11+ is the minimum, so the postponed-evaluation import is noise.
Three files had it; none used TYPE_CHECKING-only imports that depended on
lazy annotations, so removing it is safe. pyright, ruff, and pytest all
remain green.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: cosminacho

packages/uipath_langchain_client/src/uipath_langchain_client/clients/litellm/embeddings.py

@@ -10,8 +10,6 @@
     >>> vectors = embeddings.embed_documents(["Hello world"])
 """
 
-from __future__ import annotations
-
 from pydantic import Field, model_validator
 from typing_extensions import Self
 

src/uipath/llm_client/clients/normalized/completions.py

@@ -1,7 +1,5 @@
 """Completions endpoint for the UiPath Normalized API."""
 
-from __future__ import annotations
-
 import json
 from collections.abc import AsyncGenerator, Callable, Generator, Sequence
 from typing import Any, Union, get_args, get_origin, get_type_hints

src/uipath/llm_client/clients/normalized/embeddings.py

@@ -3,8 +3,6 @@
 Provides synchronous and asynchronous methods for generating text embeddings.
 """
 
-from __future__ import annotations
-
 from typing import Any
 
 from uipath.llm_client.clients.normalized.types import (