fix #428: Remove speed safety margin for gearbox re-engaging

VectoCore/VectoCore/Configuration/Constants.cs

@@ -374,8 +374,6 @@ namespace TUGraz.VectoCore.Configuration
 			/// the combustion engine is set to on.
 			/// </summary>
 			public const double VTPIdleSpeedDetectionFactor = 0.85;
-
-			public const double DownshiftIdlespeedFactor = 1.1;
 		}
 
 		public static class XML

VectoCore/VectoCore/Models/SimulationComponent/Impl/HybridController.cs

@@ -548,8 +548,7 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Impl
 
 
 			protected virtual bool SpeedTooLowForEngine(GearshiftPosition gear, PerSecond outAngularSpeed) => 
-				(outAngularSpeed * GearboxModelData.Gears[gear.Gear].Ratio).IsSmaller(
-					Constants.SimulationSettings.DownshiftIdlespeedFactor * DataBus.EngineInfo.EngineIdleSpeed);
+				(outAngularSpeed * GearboxModelData.Gears[gear.Gear].Ratio).IsSmaller(DataBus.EngineInfo.EngineIdleSpeed);
 
 			protected virtual bool SpeedTooHighForEngine(GearshiftPosition gear, PerSecond outAngularSpeed) =>
 				(outAngularSpeed * GearboxModelData.Gears[gear.Gear].Ratio).IsGreaterOrEqual(