Get rid of the `canThrowSSVOnIgnored` field for ChunkVersions

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    • Fully Compatible
    • Sharding EMEA 2021-08-09, Sharding EMEA 2021-08-23
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      Once 5.0 becomes Last-LTS, the canThrowSSVOnIgnored field should be removed from ChunkVersion: https://github.com/mongodb/mongo/search?q=SERVER-53099&type=Code

      It was added in 4.4 in order to be able to safely communicate with 4.2 binaries. It is needed in 5.0, but is always sent as true and never consulted (this ensures that upgrade from 4.4 -> 5.0 will still work) and in the next LTS release it will not be necessary.

            Assignee:
            Marcos José Grillo Ramirez
            Reporter:
            TPM Jira Automations Bot
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