[geary] Fix glib warning introduced by commit 5a9075b3.

[Michael Gratton <mjog src gnome org>]

commit f84368574f1e40c2616a07b310790c2c6e10ad8c
Author: Michael James Gratton <mike vee net>
Date:   Mon Apr 16 11:33:35 2018 +1000

    Fix glib warning introduced by commit 5a9075b3.

 src/client/composer/composer-widget.vala |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/src/client/composer/composer-widget.vala b/src/client/composer/composer-widget.vala
index 4ca7036..647d14b 100644
--- a/src/client/composer/composer-widget.vala
+++ b/src/client/composer/composer-widget.vala
@@ -483,8 +483,6 @@ public class ComposerWidget : Gtk.EventBox {
             });
         // TODO: also listen for account updates to allow adding identities while writing an email
 
-        bind_property("toolbar-text", this.info_label, "label", BindingFlags.SYNC_CREATE);
-
         this.from = new Geary.RFC822.MailboxAddresses.single(account.information.primary_mailbox);
 
         this.draft_timer = new Geary.TimeoutManager.seconds(