Remove setuptools/pkg_resources (#13369)

stubs/setuptools/@tests/stubtest_allowlist.txt

@@ -1,11 +1,3 @@
-# Is always set in __init__
-pkg_resources.PathMetadata.egg_info
-pkg_resources.EggMetadata.loader
-pkg_resources.ZipProvider.loader
-
-# @classmethod alias not handled correctly by stubtest
-pkg_resources.ZipManifests.load
-
 # Is a functools.partial, so stubtest says "is not a function"
 setuptools.modified.newer_pairwise_group
 setuptools._distutils._modified.newer_pairwise_group
@@ -109,4 +101,3 @@ setuptools.config._validate_pyproject.*
 setuptools.compat.*
 setuptools.command.build_py.build_py.existing_egg_info_dir
 .+?\.tests.*
-.+?\._vendor.*

stubs/setuptools/@tests/test_cases/check_protocols.py

@@ -2,18 +2,6 @@ from __future__ import annotations
 
 from typing import Any
 
-from pkg_resources import (
-    DefaultProvider,
-    EggMetadata,
-    EggProvider,
-    EmptyProvider,
-    FileMetadata,
-    IMetadataProvider,
-    IResourceProvider,
-    NullProvider,
-    PathMetadata,
-    ZipProvider,
-)
 from setuptools.command.editable_wheel import EditableStrategy, _LinkTree, _StaticPth, _TopLevelFinder
 from setuptools.config.expand import EnsurePackagesDiscovered
 from setuptools.config.pyprojecttoml import _EnsurePackagesDiscovered
@@ -21,29 +9,6 @@ from setuptools.config.pyprojecttoml import _EnsurePackagesDiscovered
 # We don't care about the __init__ methods, only about if an instance respects the Protocol
 _: Any = object()
 
-# Test IMetadataProvider Protocol implementers
-metadata_provider: IMetadataProvider
-metadata_provider = NullProvider(_)
-metadata_provider = EggProvider(_)
-metadata_provider = EmptyProvider()
-metadata_provider = DefaultProvider(_)
-metadata_provider = ZipProvider(_)
-metadata_provider = FileMetadata(_)
-metadata_provider = PathMetadata(_, _)
-metadata_provider = EggMetadata(_)
-
-# Test IResourceProvider Protocol implementers
-resource_provider: IResourceProvider
-resource_provider = NullProvider(_)
-resource_provider = EggProvider(_)
-resource_provider = EmptyProvider()
-resource_provider = DefaultProvider(_)
-resource_provider = ZipProvider(_)
-resource_provider = FileMetadata(_)
-resource_provider = PathMetadata(_, _)
-resource_provider = EggMetadata(_)
-
-
 # Test EditableStrategy Protocol implementers
 editable_strategy: EditableStrategy
 editable_strategy = _StaticPth(_, _, _)