Remove python-pytest-runner

* deprecated upstream, and no users
* pluggy tests work fine without it

python-pluggy/PKGBUILD

@@ -4,7 +4,7 @@ _realname=pluggy
 pkgbase=python-pluggy
 pkgname=(python-${_realname})
 pkgver=1.3.0
-pkgrel=1
+pkgrel=2
 pkgdesc="Plugin and hook calling mechanisms for python"
 arch=('any')
 url="https://github.com/pytest-dev/pluggy"
@@ -17,7 +17,6 @@ makedepends=(
   'python-build'
   'python-installer'
 )
-checkdepends=('python-pytest-runner')
 provides=("python3-${_realname}")
 replaces=("python3-${_realname}")
 conflicts=("python3-${_realname}")