👷 enable PYI046 in ruff (#450)

Author: guan404ming

src/numpy-stubs/.ruff.toml

@@ -6,7 +6,6 @@ extend-ignore = [
     "A",       # flake8-builtins
     "S404",    # flake8-bandit: suspicious-subprocess-import
     "PYI042",  # flake8-pyi:    snake-case-type-alias       # TODO
-    "PYI046",  # flake8-pyi:    unused-private-protocol     # TODO
     "PYI047",  # flake8-pyi:    unused-private-type-alias   # TODO
     "PYI064",  # flake8-pyi:    redundant-final-literal
     "SLF001",  # flake8-self:   private-member-access

src/numpy-stubs/_core/_multiarray_umath.pyi

@@ -20,7 +20,7 @@ from typing import (
     overload,
     type_check_only,
 )
-from typing_extensions import Buffer, CapsuleType, Self, TypeAliasType, TypeVar, Unpack, deprecated, override
+from typing_extensions import Buffer, CapsuleType, Self, TypeAliasType, TypeVar, Unpack, deprecated
 
 import numpy as np
 import numpy.typing as npt
@@ -91,7 +91,6 @@ from .umath import (
 
 ###
 
-_T = TypeVar("_T")
 _T_contra = TypeVar("_T_contra", default=None, contravariant=True)
 
 _ShapeT = TypeVar("_ShapeT", bound=tuple[int, ...])
@@ -224,16 +223,6 @@ class _CanWriteErr(Protocol):
 class _HasDoc(Protocol):
     __doc__: str | None
 
-@type_check_only
-@final
-class _HasClass(Protocol[_T]):
-    @property
-    @override
-    def __class__(self, /) -> type[_T]: ...  # pyright: ignore[reportIncompatibleMethodOverride]
-    @__class__.setter
-    @override
-    def __class__(self, t: type[_T], /) -> None: ...
-
 ###
 
 @type_check_only

src/numpy-stubs/_typing/_array_like.pyi

@@ -26,7 +26,7 @@ class _SupportsArray(Protocol[_DType_co]):
     def __array__(self, /) -> np.ndarray[Any, _DType_co]: ...
 
 @runtime_checkable
-class _SupportsArrayFunc(Protocol):
+class _SupportsArrayFunc(Protocol):  # noqa: PYI046
     def __array_function__(
         self,
         func: Callable[..., Any],