Remove connection of low and high thresholds to setting; ensure standard ranges

Trio.xcodeproj/xcshareddata/xcschemes/Trio.xcscheme

@@ -3,7 +3,7 @@
    LastUpgradeVersion = "1620"
    version = "1.3">
    <BuildAction
-      parallelizeBuildables = "YES"
+      parallelizeBuildables = "NO"
       buildImplicitDependencies = "YES">
       <BuildActionEntries>
          <BuildActionEntry

Trio/Sources/Modules/Stat/StatStateModel.swift

@@ -170,8 +170,6 @@ extension Stat {
             setupBolusStats()
             setupLoopStatRecords()
             setupMealStats()
-            highLimit = settingsManager.settings.high
-            lowLimit = settingsManager.settings.low
             units = settingsManager.settings.units
             eA1cDisplayUnit = settingsManager.settings.eA1cDisplayUnit
             timeInRangeChartStyle = settingsManager.settings.timeInRangeChartStyle