Also replaces “Angular Module” with “NgModule” wherever that is clarifying.
Continue using “module” when qualified as in “feature module”, “root module”, “routing module”, etc.
PR Close#19776
BREAKING CHANGE: the values `true`, `false`, `legacy_enabled` and `legacy_disabled` for the router parameter `initialNavigation` have been removed as they were deprecated. Use `enabled` or `disabled` instead.
PR Close#18781
