Receipts by wave delisted on the Play Store

Why did Google delist the receipts app from the Play Store?
https://play.google.com/store/apps/details?id=com.waveaccounting.receipts&hl=en_US
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Why did Google delist the receipts app from the Play Store?
https://play.google.com/store/apps/details?id=com.waveaccounting.receipts&hl=en_US