ui: Improve remove strings

Change the 'Remove from library' strings to 'Permanently delete'
to make the action clearer for the user, informing them that the
action will delete user files and cannot be undone.

Fixes geigi#912

cozy/ui/delete_book_view.py

@@ -10,14 +10,14 @@ class DeleteBookView(Adw.AlertDialog):
 
     def __init__(self, callback, book: Book):
         super().__init__(
-            heading=_("Delete Audiobook?"),
-            body=_("The audiobook will be removed from your disk and from Cozy's library."),
+            heading=_("Permanently Delete Audiobook?"),
+            body=_("The audiobook will be permanently deleted from your disk and can not be restored."),
             default_response="cancel",
             close_response="cancel",
         )
 
         self.add_response("cancel", _("Cancel"))
-        self.add_response("delete", _("Remove Audiobook"))
+        self.add_response("delete", _("Delete"))
         self.set_response_appearance("delete", Adw.ResponseAppearance.DESTRUCTIVE)
 
         list_box = Gtk.ListBox(margin_top=12, css_classes=["boxed-list"])

cozy/ui/widgets/book_element.py

@@ -73,7 +73,7 @@ def _create_context_menu(self):
         menu_model.append(_("Open in file browser"), "book_element.jump_to_folder")
 
         self.install_action("book_element.remove_book", None, self._remove_book)
-        menu_model.append(_("Remove from library"), "book_element.remove_book")
+        menu_model.append(_("Permanently Delete…"), "book_element.remove_book")
 
         menu = Gtk.PopoverMenu(menu_model=menu_model, has_arrow=False)
         menu.set_parent(self.art)