[epiphany] Remove keyboard shortcut for Duplicate Tab

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 7933e05a728124fc191dcfcdd2a886a2186ef775
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Tue Aug 16 17:18:32 2016 +0200

    Remove keyboard shortcut for Duplicate Tab
    
    It conflicts with GtkInspector

 src/ephy-window.c                 |    2 +-
 src/resources/shortcuts-dialog.ui |    7 -------
 2 files changed, 1 insertions(+), 8 deletions(-)
---
diff --git a/src/ephy-window.c b/src/ephy-window.c
index 465af0f..ef92d65 100644
--- a/src/ephy-window.c
+++ b/src/ephy-window.c
@@ -123,7 +123,7 @@ const struct {
   { "tab.next", { "<Primary>Page_Down", "<Primary>KP_3", NULL } },
   { "tab.move-left", { "<shift><Primary>Page_Up", "<shift><Primary>Page_Up", NULL } },
   { "tab.move-right", { "<shift><Primary>Page_Down", "<shift><Primary>Page_Down", NULL } },
-  { "tab.duplicate", { "<shift><Primary>D", NULL } },
+  { "tab.duplicate", { NULL } },
   { "tab.close", { "<Primary>W", NULL } }
 }, accels_navigation_ltr [] = {
   { "toolbar.navigation-back", { "<alt>Left", "<alt>KP_Left", "KP_4", "Back", NULL } },
diff --git a/src/resources/shortcuts-dialog.ui b/src/resources/shortcuts-dialog.ui
index d18e851..7592a42 100644
--- a/src/resources/shortcuts-dialog.ui
+++ b/src/resources/shortcuts-dialog.ui
@@ -130,13 +130,6 @@
             <child>
               <object class="GtkShortcutsShortcut">
                 <property name="visible">True</property>
-                <property name="title" translatable="yes" context="shortcut window">Duplicate current 
tab</property>
-                <property name="accelerator">&lt;shift&gt;&lt;Primary&gt;D</property>
-              </object>
-            </child>
-            <child>
-              <object class="GtkShortcutsShortcut">
-                <property name="visible">True</property>
                 <property name="title" translatable="yes" context="shortcut window">Close current 
tab</property>
                 <property name="accelerator">&lt;Primary&gt;W</property>
               </object>