[epiphany] Fix title of Add Language dialog

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 41881f343358fdd5953382d52520a82e4ae59ccf
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Mon Sep 14 10:06:24 2020 -0500

    Fix title of Add Language dialog
    
    There is a rogue underscore here, oops!

 src/resources/gtk/prefs-lang-dialog.ui | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/resources/gtk/prefs-lang-dialog.ui b/src/resources/gtk/prefs-lang-dialog.ui
index 28c33df56..90b3fd1c0 100644
--- a/src/resources/gtk/prefs-lang-dialog.ui
+++ b/src/resources/gtk/prefs-lang-dialog.ui
@@ -10,7 +10,7 @@
     <property name="default_width">300</property>
     <property name="default_height">420</property>
     <property name="use_header_bar">1</property>
-    <property name="title" translatable="yes">Add _Language</property>
+    <property name="title" translatable="yes">Add Language</property>
     <child type="action">
       <object class="GtkButton" id="cancelbutton1">
         <property name="label" translatable="yes">_Cancel</property>