removed volume from ChartDataPoint data model, I think this was an unused remnant from @WowieMan's improvements to Apple Music compatibility

Author: xan-m

InfiniLink/InfiniLink.xcdatamodeld/InfiniLink.xcdatamodel/contents

@@ -1,18 +1,17 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="19206" systemVersion="21A5552a" minimumToolsVersion="Automatic" sourceLanguage="Swift" userDefinedModelVersionIdentifier="">
+<model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="19206" systemVersion="20G165" minimumToolsVersion="Automatic" sourceLanguage="Swift" userDefinedModelVersionIdentifier="">
     <entity name="ChartDataPoint" representedClassName="ChartDataPoint" syncable="YES" codeGenerationType="class">
         <attribute name="chart" optional="YES" attributeType="Integer 16" defaultValueString="0" usesScalarValueType="YES"/>
         <attribute name="id" optional="YES" attributeType="UUID" usesScalarValueType="NO"/>
         <attribute name="timestamp" optional="YES" attributeType="Date" usesScalarValueType="NO"/>
         <attribute name="value" optional="YES" attributeType="Double" defaultValueString="0.0" usesScalarValueType="YES"/>
-        <attribute name="volume" optional="YES" attributeType="Float" defaultValueString="0.0" usesScalarValueType="YES"/>
     </entity>
     <entity name="DeviceNames" representedClassName="DeviceNames" syncable="YES" codeGenerationType="class">
         <attribute name="name" optional="YES" attributeType="String"/>
         <attribute name="uuid" optional="YES" attributeType="String"/>
     </entity>
     <elements>
-        <element name="ChartDataPoint" positionX="-63" positionY="-18" width="128" height="104"/>
+        <element name="ChartDataPoint" positionX="-63" positionY="-18" width="128" height="89"/>
         <element name="DeviceNames" positionX="-54" positionY="18" width="128" height="59"/>
     </elements>
 </model>