Remove constraint on PumpEvents

Model/TrioCoreDataPersistentContainer.xcdatamodeld/TrioCoreDataPersistentContainer.xcdatamodel/contents

@@ -215,10 +215,6 @@
             <uniquenessConstraint>
                 <constraint value="id"/>
             </uniquenessConstraint>
-            <uniquenessConstraint>
-                <constraint value="timestamp"/>
-                <constraint value="type"/>
-            </uniquenessConstraint>
         </uniquenessConstraints>
     </entity>
     <entity name="StatsData" representedClassName="StatsData" syncable="YES">