[gnome-calendar] Don't translate unneeded string

[Yosef Or Boczko <yoseforb src gnome org>]

commit 86578d5fc8786a38b1bda9896fe25e0f37b60b18
Author: Yosef Or Boczko <yoseforb src gnome org>
Date:   Fri Dec 5 10:30:37 2014 +0200

    Don't translate unneeded string

 data/ui/window.ui |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/data/ui/window.ui b/data/ui/window.ui
index 0dfaeaa..0a3d90b 100644
--- a/data/ui/window.ui
+++ b/data/ui/window.ui
@@ -124,7 +124,7 @@
                     </child>
                     <child>
                       <object class="GtkButton" id="notification_action_button">
-                        <property name="label" translatable="yes">button</property>
+                        <property name="label" translatable="no">button</property>
                         <property name="visible">True</property>
                         <property name="can_focus">True</property>
                         <property name="receives_default">True</property>