Remove systemMonitor subpackage

The extension was removed upstream.

gnome-shell-extensions.spec

@@ -34,7 +34,6 @@ Enabled extensions:
   * native-window-placement
   * places-menu
   * screenshot-window-sizer
-  * systemMonitor
   * user-theme
   * window-list
   * windowsNavigator
@@ -174,19 +173,6 @@ This GNOME Shell extension allows to easily resize windows for GNOME Software
 screenshots.
 
 
-%package -n %{pkg_prefix}-systemMonitor
-Summary:        System Monitor for GNOME Shell
-Group:          User Interface/Desktops
-License:        GPLv2+
-Requires:       %{pkg_prefix}-common = %{version}-%{release}
-# Should be pulled in by control-center, but in case someone tries for a
-# minimalist gnome-shell installation
-Requires:       libgtop2
-
-%description -n %{pkg_prefix}-systemMonitor
-This GNOME Shell extension is a message tray indicator for CPU and memory usage.
-
-
 %package -n %{pkg_prefix}-user-theme
 Summary:        Support for custom themes in GNOME Shell
 Group:          User Interface/Desktops
@@ -299,10 +285,6 @@ rm $RPM_BUILD_ROOT%{_datadir}/glib-2.0/schemas/org.gnome.shell.extensions.exampl
 %{_datadir}/gnome-shell/extensions/screenshot-window-sizer*/
 
 
-%files -n %{pkg_prefix}-systemMonitor
-%{_datadir}/gnome-shell/extensions/systemMonitor*/
-
-
 %files -n %{pkg_prefix}-user-theme
 %{_datadir}/glib-2.0/schemas/org.gnome.shell.extensions.user-theme.gschema.xml
 %{_datadir}/gnome-shell/extensions/user-theme*/