Extract common implementation of delete dialog

osu.Game/Localisation/DeleteConfirmationDialogStrings.cs

@@ -0,0 +1,29 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Framework.Localisation;
+
+namespace osu.Game.Localisation
+{
+    public static class DeleteConfirmationDialogStrings
+    {
+        private const string prefix = @"osu.Game.Resources.Localisation.DeleteConfirmationDialog";
+
+        /// <summary>
+        /// "Confirm deletion of"
+        /// </summary>
+        public static LocalisableString HeaderText => new TranslatableString(getKey(@"header_text"), @"Confirm deletion of");
+
+        /// <summary>
+        /// "Yes. Go for it."
+        /// </summary>
+        public static LocalisableString Confirm => new TranslatableString(getKey(@"confirm"), @"Yes. Go for it.");
+
+        /// <summary>
+        /// "No! Abort mission"
+        /// </summary>
+        public static LocalisableString Cancel => new TranslatableString(getKey(@"cancel"), @"No! Abort mission");
+
+        private static string getKey(string key) => $@"{prefix}:{key}";
+    }
+}