Remove unused polkit BuildRequires, update URL

gnome-system-monitor.spec

@@ -4,11 +4,11 @@
 
 Name:           gnome-system-monitor
 Version:        40~rc
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Process and resource monitor
 
 License:        GPLv2+
-URL:            http://www.gnome.org/
+URL:            https://wiki.gnome.org/Apps/SystemMonitor
 Source0:        https://download.gnome.org/sources/%{name}/40/%{name}-%{tarball_version}.tar.xz
 
 BuildRequires:  gcc
@@ -24,7 +24,6 @@ BuildRequires:  pkgconfig(libxml-2.0)
 BuildRequires:  desktop-file-utils
 BuildRequires:  gettext
 BuildRequires:  itstool
-BuildRequires:  polkit-devel
 
 Requires:       hicolor-icon-theme
 Requires:       libgtop2%{?_isa} >= %{libgtop2_version}
@@ -67,6 +66,9 @@ desktop-file-validate $RPM_BUILD_ROOT%{_datadir}/applications/gnome-system-monit
 %{_libexecdir}/gnome-system-monitor/
 
 %changelog
+* Tue Mar 16 2021 David King <amigadave@amigadave.com> - 40~rc-2
+- Remove unused polkit BuildRequires, update URL
+
 * Mon Mar 15 2021 Kalev Lember <klember@redhat.com> - 40~rc-1
 - Update to 40.rc