[network_info_plus_macos] remove reachability

[alexbatalov]

Description

This PR removes Reachability dependency from network_info_plus_macos. It was copied from connectivity_plus, but it was never needed for obtaining network information.

Related Issues

#542

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[miquelbeltran]

Thanks! Can you increase the CHANGELOG and pubspec on the macos project? that will facilitate the release process on merge.

edit: only increasing the version on the MacOS would be required.

[miquelbeltran]

thank you!

[kyle-seongwoo-jun]

@alexbatalov I think you bumped the wrong package.

network_info_plus should be updated, but package_info_plus has updated.

@miquelbeltran FYI,

[miquelbeltran]

thanks for noticing!