Fix mypy error with extra dependencies: remove unused type ignore for importlib_resources

Co-authored-by: bact <128572+bact@users.noreply.github.com>

Author: Copilot

pythainlp/tools/path.py

@@ -16,7 +16,7 @@
 if version_info >= (3, 11):
     from importlib.resources import files  # Available in Python 3.11+
 else:
-    from importlib_resources import files  # type: ignore[import-not-found,no-redef]  # noqa: I001
+    from importlib_resources import files  # noqa: I001
 
 PYTHAINLP_DEFAULT_DATA_DIR: str = "pythainlp-data"