[Backport 2.x] Revert "Delete Spark datasource (#2638)" (#2692)#2722

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ykmr1224 merged 1 commit intoopensearch-project:2.xfrom ykmr1224:backport/backport-2692-to-2.x

Jun 6, 2024

+1,921-205

Commits on Jun 6, 2024

Revert "Delete Spark datasource (opensearch-project#2638 )" (opensearch-project#2692 )
ykmr1224
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