[geary] Tighten up flatpack manifest per flathub review comments.

[Michael Gratton <mjog src gnome org>]

commit dc52e9ac5b663143c5f09be734f53a92845b5ae1
Author: Michael James Gratton <mike vee net>
Date:   Tue Oct 3 15:29:35 2017 +1100

    Tighten up flatpack manifest per flathub review comments.
    
    * org.gnome.Geary.json: Remove full access to session bus.

 org.gnome.Geary.json |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)
---
diff --git a/org.gnome.Geary.json b/org.gnome.Geary.json
index 2f809b7..3a832b2 100644
--- a/org.gnome.Geary.json
+++ b/org.gnome.Geary.json
@@ -19,9 +19,6 @@
         /* OpenGL access for WK2 */
         "--device=dri",
 
-        /* Bus access */
-        "--socket=session-bus",
-
         /* Pulseaudio */
         "--socket=pulseaudio",