7086: "Remove selected items?" inconsistent YES/NO

For gramps34, only change the text to be consistent,
won't fix the rest as the GUI code around this place has
changed in later branches.

src/gui/views/listview.py

@@ -495,7 +495,7 @@ class ListView(NavigationView):
         prompt = True
         if len(self.selected_handles()) > 1:
             q = QuestionDialog2(
-                _("Remove selected items?"),
+                _("Confirm every deletion?"),
                 _("More than one item has been selected for deletion. "
                   "Ask before deleting each one?"),
                 _("Yes"),