Remove obsolete gnome-keyring requirements

Replaced by libsecret.

NetworkManager-openvpn.spec

@@ -22,7 +22,6 @@ BuildRequires: NetworkManager-devel
 BuildRequires: NetworkManager-glib-devel
 BuildRequires: glib2-devel
 BuildRequires: libtool intltool gettext
-BuildRequires: libgnome-keyring-devel
 BuildRequires: libnm-gtk-devel >= 0.9.9.0
 BuildRequires: libsecret-devel
 
@@ -31,7 +30,6 @@ Requires: dbus
 Requires: NetworkManager
 Requires: openvpn
 Requires: shared-mime-info
-Requires: libgnome-keyring
 Obsoletes: NetworkManager-openvpn < 1:0.9.8.2-3
 
 %global _privatelibs libnm-openvpn-properties[.]so.*