Social: Remove basic plan from the admin page (#36846)

* Remove the Basic plan from the admin page pricing table

* changelog

* Update API

* Update hook and table

* changelog

* Remove unused constants

* Fixup versions

* Fix tests

* Update redirect link

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Co-authored-by: spsiddarthan <siddarthan@outlook.com>

Committed via a GitHub action: https://github.com/Automattic/jetpack/actions/runs/9496442302

Upstream-Ref: Automattic/jetpack@6b12d65