shadow: remove replaces to not surprise users that update single pkgs.

srcpkgs/shadow/template

@@ -1,7 +1,7 @@
 # Template file for 'shadow'
 pkgname=shadow
 version=4.2.1
-revision=5
+revision=6
 build_style=gnu-configure
 configure_args="--bindir=/usr/bin --sbindir=/usr/sbin
  --libdir=/usr/lib --enable-shared --disable-static
@@ -32,9 +32,6 @@ homepage="http://pkg-shadow.alioth.debian.org"
 distfiles="http://pkg-shadow.alioth.debian.org/releases/$pkgname-$version.tar.xz"
 checksum=3b0893d1476766868cd88920f4f1231c4795652aa407569faff802bcda0f3d41
 
-# sg now provided by shadow
-replaces="util-linux<2.26_2"
-
 pre_configure() {
 	autoreconf -fi