Remove useSecondary from backup worker to fix false positive errors during MongoDB failover (#34186)

* Initial plan

* Remove useSecondary from configureBackup to fix false positive backup errors

Co-authored-by: briangough <7457354+briangough@users.noreply.github.com>

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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: briangough <7457354+briangough@users.noreply.github.com>
GitOrigin-RevId: f7c9bb88fb2f7526948fee196f0444bd33a96e56

services/history-v1/storage/scripts/backup_worker.mjs

@@ -19,7 +19,7 @@ const LAG_TIME_BUCKETS_HRS = [
 ] // hours
 
 // Configure backup settings to match worker concurrency
-configureBackup({ concurrency: UPLOAD_CONCURRENCY, useSecondary: true })
+configureBackup({ concurrency: UPLOAD_CONCURRENCY })
 
 let gracefulShutdownInitiated = false