Added BigQueryToSpannerDelete template#13

ascarhon-atahujaev wants to merge 1 commit intomercari:mastermercari/DataflowTemplates:masterfrom

ascarhon-atahujaev:bigquery-to-spanner-delete-templateascarhon-atahujaev/DataflowTemplates:bigquery-to-spanner-delete-templateCopy head branch name to clipboard