Translatable verb icons in menus.ui

Hi, I think we don't need to translate icons in menus.ui.

https://gitlab.gnome.org/GNOME/gnome-builder/-/blob/main/src/plugins/menu-search/gtk/menus.ui#L10

https://gitlab.gnome.org/GNOME/gnome-builder/-/blob/main/src/plugins/menu-search/gtk/menus.ui#L18