[Campaign] Replace Map, List, and Set in org.opensearch.common.collect with java.util references

[kotwanikunal]

Is your feature request related to a problem?
Coming from opensearch-project/OpenSearch#6609. The listed classes have already been deprecated as a part of 2.7 and will be dropped with 3.0 release.

What solution would you like?
Replace instances of Map, List and Set from org.opensearch.common.collect with the corresponding java.util references

Do you have any additional context?

• index-management/src/test/kotlin/org/opensearch/indexmanagement/IndexManagementRestTestCase.kt

  Line 21 in c751746

  import org.opensearch.common.collect.Set