pkg-config: remove old conflicts/replaces

pkg-config/PKGBUILD

@@ -2,16 +2,13 @@
 
 pkgname=pkg-config
 pkgver=0.29.2
-pkgrel=1
+pkgrel=2
 pkgdesc="A system for managing library compile/link flags"
 arch=('i686' 'x86_64')
 url="https://www.freedesktop.org/wiki/Software/pkg-config/"
 license=('GPL')
 groups=('base-devel')
 depends=('glib2')
-provides=("pkgconfig=${pkgver}")
-conflicts=('pkgconfig')
-replaces=('pkgconfig' 'pkgconf')
 source=(https://pkgconfig.freedesktop.org/releases/${pkgname}-${pkgver}.tar.gz
         glib-cygwin.patch
         pkg-config-0.28-msys2.patch