Deleting a Global datastore is a two-step process:
See https://www.paws-r-sdk.com/docs/elasticache_delete_global_replication_group/ for full documentation.
elasticache_delete_global_replication_group(
GlobalReplicationGroupId,
RetainPrimaryReplicationGroup
)
[required] The name of the Global datastore
[required] The primary replication group is retained as a standalone replication group.