Delete progressviewios.md (facebook#4194)

* Delete `progressviewios.md`

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Author: yungsters

docs/progressviewios.md

@@ -124,9 +124,9 @@ You can read the 0.72 updates for the New Architecture [here](https://github.com
 
 The following packages have been removed from React Native in 0.72. Please migrate to the recommended community package:
 
-- [Slider](/docs/next/slider) is superseded by [@react-native-community/slider](https://github.com/callstack/react-native-slider/tree/main/package)
-- [DatePickerIOS](/docs/next/datepickerios) is superseded by [@react-native-community/datetimepicker](https://github.com/react-native-datetimepicker/datetimepicker)
-- [ProgressViewIOS](/docs/next/progressviewios) is superseded by [@react-native-community/progress-view](https://github.com/react-native-progress-view/progress-view)
+- [Slider](https://reactnative.dev/docs/0.72/slider) is superseded by [@react-native-community/slider](https://github.com/callstack/react-native-slider/tree/main/package)
+- [DatePickerIOS](https://reactnative.dev/docs/0.72/datepickerios) is superseded by [@react-native-community/datetimepicker](https://github.com/react-native-datetimepicker/datetimepicker)
+- [ProgressViewIOS](https://reactnative.dev/docs/0.72/progressviewios) is superseded by [@react-native-community/progress-view](https://github.com/react-native-progress-view/progress-view)
 
 ### Package Renames