[devhelp] App: do not set GtkApplication:register-session property

[Sébastien Wilmet <swilmet src gnome org>]

commit bddbc7219bf35e51b4b531a594da7f8ad7ce5869
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sun Dec 17 20:24:46 2017 +0100

    App: do not set GtkApplication:register-session property
    
    For example gnome-photos don't set this property. I don't think it is
    needed. The less code the better.
    
    Setting this property in dh_app_new() is done since the beginning, when
    Devhelp has been ported to GtkApplication in
    commit 53f9a8ce0c26e26f18187db1b0683b67dd0c24af.
    
    If you revert this commit to add back register-session, add a comment to
    explain why (the documentation of GtkApplication:register-session could
    be improved too).

 src/dh-app.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/src/dh-app.c b/src/dh-app.c
index 5946b65..c5c1e12 100644
--- a/src/dh-app.c
+++ b/src/dh-app.c
@@ -405,7 +405,6 @@ dh_app_new (void)
         return g_object_new (DH_TYPE_APP,
                              "application-id", "org.gnome.Devhelp",
                              "flags", G_APPLICATION_HANDLES_COMMAND_LINE,
-                             "register-session", TRUE,
                              NULL);
 }