setuptools: update and switch back to setup.py

The build/installer based build seems to fail now that distutils is gone,
go back to the old way for now.

python-setuptools/PKGBUILD

@@ -3,8 +3,8 @@
 _realname=setuptools
 pkgbase="python-${_realname}"
 pkgname=("python-${_realname}")
-pkgver=69.0.3
-pkgrel=2
+pkgver=70.2.0
+pkgrel=1
 pkgdesc="Easily download, build, install, upgrade, and uninstall Python packages"
 arch=('any')
 license=('PSF')
@@ -16,16 +16,11 @@ msys2_references=(
   "cpe: cpe:/a:python:setuptools"
 )
 depends=('python')
-makedepends=(
-  "python-wheel"
-  "python-build"
-  "python-installer"
-)
 provides=("python3-${_realname}" 'python3-distribute')
 replaces=("python3-${_realname}" 'python3-distribute')
 conflicts=("python3-${_realname}")
 source=("${_realname}-${pkgver}.tar.gz::https://github.com/pypa/setuptools/archive/v${pkgver}.tar.gz")
-sha256sums=('1b3b43e613f07b94fbea7ce37653616d81247e0e49833521aa309c494354947e')
+sha256sums=('2af81b872c912684c11b99148396472d42b2f200ba2c825a3eb125e5384a479b')
 
 prepare() {
   export SETUPTOOLS_INSTALL_WINDOWS_SPECIFIC_FILES=0
@@ -35,7 +30,7 @@ build() {
   cd "${srcdir}/setuptools-${pkgver}"
 
   python setup.py egg_info
-  python -m build --wheel --skip-dependency-check --no-isolation
+  python setup.py build
 }
 
 check() { (
@@ -53,5 +48,5 @@ check() { (
 package() {
   cd "${srcdir}/setuptools-${pkgver}"
 
-  python -m installer --destdir="${pkgdir}" dist/*.whl
+  python setup.py install --prefix=/usr --root="$pkgdir" --skip-build
 }