Remove the post script to create system repo now that we have the service

This also ensures that the code paths for initial run are the same on
both Silverblue (where the %post script didn't do anything) and regular
Fedora.

flatpak.spec

@@ -124,9 +124,6 @@ rm -f %{buildroot}%{_libdir}/libflatpak.la
 
 
 %post
-# Create an (empty) system-wide repo.
-flatpak remote-list --system &> /dev/null || :
-
 %systemd_post flatpak-add-fedora-repos.service
 
 if [ $1 -gt 1 ] ; then
@@ -207,6 +204,7 @@ fi
 %changelog
 * Wed Apr 03 2019 Kalev Lember <klember@redhat.com> - 1.3.1-2
 - Add a oneshot systemd service to add Fedora flatpak repos
+- Remove the post script to create system repo now that we have the service
 
 * Wed Mar 27 2019 David King <amigadave@amigadave.com> - 1.3.1-1
 - Update to 1.3.1 (#1693207)