Revert "Revert "DLS-11005: Removed double TTL indexes which were prevented data from being deleted after 900seconds""

[drewmiley]

Reverts #487

[platops-pr-bot]

• uk.gov.hmrc.sbt-distributables can be updated to 2.6.0 in project/plugins.sbt
• uk.gov.hmrc:bootstrap-frontend-play-30 can be updated from 9.6.0 to 9.9.0 in project/AppDependencies.scala.
• uk.gov.hmrc:play-frontend-hmrc-play-30 can be updated from 11.10.0 to 11.11.0 in project/AppDependencies.scala.
• uk.gov.hmrc.mongo:hmrc-mongo-play-30 can be updated from 2.4.0 to 2.5.0 in project/AppDependencies.scala.
• uk.gov.hmrc:bootstrap-test-play-30 can be updated from 9.6.0 to 9.9.0 in project/AppDependencies.scala.
• uk.gov.hmrc.mongo:hmrc-mongo-test-play-30 can be updated from 2.4.0 to 2.5.0 in project/AppDependencies.scala.
• Config key metrics.rateUnit can be removed from conf/application.conf. This is already provided by Bootstrap
• Config key metrics.durationUnit can be removed from conf/application.conf. This is already provided by Bootstrap
• Config key metrics.showSamples can be removed from conf/application.conf. This is already provided by Bootstrap
• Config key metrics.jvm can be removed from conf/application.conf. This is already provided by Bootstrap
• There is a bobby warning (builds will be prevented after 14 Jul 2025) - see the pr builder for details

[drewmiley]

DO NOT MERGE until DLS-11494 is Done