DOCSP-46057: Fix deleteOne() code sample (#103)

Author: mcmorisi

source/includes/write/delete.scala

@@ -22,7 +22,7 @@ object Delete {
       override def onNext(result: DeleteResult): Unit = println(s"Deleted document count: ${result.getDeletedCount}")
       override def onError(e: Throwable): Unit = println(s"Error: $e")
       override def onComplete(): Unit = println("Completed")
-//    })
+    })
     // end-delete-one
 
     // start-delete-many

source/write/delete.txt

@@ -66,8 +66,8 @@ document in which the value of the ``name`` field is ``"Happy Garden"``:
    :copyable: true
 
    .. input:: /includes/write/delete.scala
-      :start-after: start-delete-many
-      :end-before: end-delete-many
+      :start-after: start-delete-one
+      :end-before: end-delete-one
       :language: scala
       :dedent: