hopefully fix issue where voting is filled in with missing when its time to vote

Shared/Persisence/PersistenceDELETE.swift

@@ -19,4 +19,14 @@ extension PersistenceController {
             fatalError("Unresolved error \(error), \(error.userInfo)")
         }
     }
+    
+    func deleteLast(numberOfEntries: Int) {
+        let entries = PersistenceController.shared.getData(startDate: Calendar.current.date(byAdding: .day, value: -numberOfEntries, to: Date())!,
+                                                           endDate: Date(),
+                                                           includedDays: [])
+        for entry in entries {
+            viewContext.delete(entry)
+        }
+        try! viewContext.save()
+    }
 }