Remove removed flags from being used for v16+ binaries

[GuptaManan100]

Description

This PR removes the flags removed from v16 to be set on binaries from that and later releases. This change is required because we run upgrade-downgrade tests which spawn binaries from the next release too. So the flags removed in #12083 and #12085 have to be put behind a condition check to see if the spawned binary is from a version higher than 15 or not.

This PR makes these changes to fix the upgrade-downgrade tests which are currently broken as seen in https://github.com/vitessio/vitess/actions/runs/3949422838/jobs/6763433594

Related Issue(s)

Checklist

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• Tests were added or are not required
• Documentation was added or is not required

Deployment Notes

[vitess-bot]

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