Now that we've bumped minBinary to 22.2[1], we should now remove all V22_2* version gates and related gated logic/migrations/etc as applicable.

V22_2 gates for SQL Sessions[2]:

• V22_2SystemPrivilegesTable
• V22_2RoleIDSequence
• V22_2AddSystemUserIDColumn
• V22_2SystemUsersIDColumnIsBackfilled
• V22_2SetSystemUsersUserIDColumnNotNull
• V22_2RoleOptionsTableHasIDColumn
• V22_2RoleOptionsIDColumnIsBackfilled
• V22_2SetRoleOptionsUserIDColumnNotNull
• V22_2RemoveGrantPrivilege
• V22_2TTLDistSQL

[1] #95530
[2] Using git blame from https://github.com/cockroachdb/cockroach/blame/984c24b05bfe3c04ffd7bec5784d475796504522/pkg/clusterversion/cockroach_versions.go

Jira issue: CRDB-24314