[gnome-documents] flatpak: Delete Tracker's systemd units

[Debarshi Ray <debarshir src gnome org>]

commit fd864194aaf395e21509aaf9b2ac6edf1d92c6b9
Author: Debarshi Ray <debarshir gnome org>
Date:   Tue Mar 13 15:56:00 2018 +0100

    flatpak: Delete Tracker's systemd units
    
    The corresponding binaries and D-Bus service files are not part of the
    Flatpak either. The org.freedesktop.Tracker1* D-Bus services are meant
    to run on the host operating system.

 flatpak/org.gnome.Books.json |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/flatpak/org.gnome.Books.json b/flatpak/org.gnome.Books.json
index c0d9863..ec4a70d 100644
--- a/flatpak/org.gnome.Books.json
+++ b/flatpak/org.gnome.Books.json
@@ -136,7 +136,7 @@
         },
         {
             "name": "tracker",
-            "cleanup": [ "/bin", "/etc", "/libexec", "/share/dbus-1/services" ],
+            "cleanup": [ "/bin", "/etc", "/lib/systemd", "/libexec", "/share/dbus-1/services" ],
             "config-opts": [ "--disable-static", "--with-bash-completion-dir=no" ],
             "sources": [
                 {