[gnome-books/wip/carlosg/tracker3] flatpak: Disable tracker-miners writeback service

[Carlos Garnacho <carlosg src gnome org>]

commit c6bb258a1833319dc764ac47265386e841949ee0
Author: Carlos Garnacho <carlosg gnome org>
Date:   Tue Feb 16 13:21:24 2021 +0100

    flatpak: Disable tracker-miners writeback service
    
    This is unused, and unnecessary.

 flatpak/org.gnome.Books.json | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/flatpak/org.gnome.Books.json b/flatpak/org.gnome.Books.json
index aefbba7a..a4859489 100644
--- a/flatpak/org.gnome.Books.json
+++ b/flatpak/org.gnome.Books.json
@@ -156,6 +156,7 @@
                              "-Dminer_fs=true",
                              "-Dminer_fs_cache_location=$XDG_CACHE_HOME/org.gnome.Books/miner/files",
                              "-Dminer_rss=false",
+                             "-Dwriteback=false",
                              "-Dsystemd_user_services=false" ],
             "sources": [
                 {