Remove stubs/filelock (#8046)

See #8043

stubs/filelock/METADATA.toml

@@ -1,2 +0,0 @@
-version = "3.2.*"
-obsolete_since = "3.3.0"

stubs/filelock/filelock/__init__.pyi

@@ -1,50 +0,0 @@
-import sys
-from _typeshed import Self
-from types import TracebackType
-
-class Timeout(TimeoutError):
-    def __init__(self, lock_file: str) -> None: ...
-
-class _Acquire_ReturnProxy:
-    def __init__(self, lock: str) -> None: ...
-    def __enter__(self) -> str: ...
-    def __exit__(
-        self, exc_type: type[BaseException] | None, exc_val: BaseException | None, traceback: TracebackType | None
-    ) -> None: ...
-
-class BaseFileLock:
-    def __init__(self, lock_file: str, timeout: float | str = ...) -> None: ...
-    @property
-    def lock_file(self) -> str: ...
-    @property
-    def timeout(self) -> float: ...
-    @timeout.setter
-    def timeout(self, value: str | float) -> None: ...  # type: ignore
-    @property
-    def is_locked(self) -> bool: ...
-    def acquire(self, timeout: float | None = ..., poll_intervall: float = ...) -> _Acquire_ReturnProxy: ...
-    def release(self, force: bool = ...) -> None: ...
-    def __enter__(self: Self) -> Self: ...
-    def __exit__(
-        self, exc_type: type[BaseException] | None, exc_val: BaseException | None, traceback: TracebackType | None
-    ) -> None: ...
-    def __del__(self) -> None: ...
-
-class WindowsFileLock(BaseFileLock):
-    def _acquire(self) -> None: ...
-    def _release(self) -> None: ...
-
-class UnixFileLock(BaseFileLock):
-    def _acquire(self) -> None: ...
-    def _release(self) -> None: ...
-
-class SoftFileLock(BaseFileLock):
-    def _acquire(self) -> None: ...
-    def _release(self) -> None: ...
-
-if sys.platform == "win32":
-    FileLock = WindowsFileLock
-elif sys.platform == "linux" or sys.platform == "darwin":
-    FileLock = UnixFileLock
-else:
-    FileLock = SoftFileLock