removing no longer needed files in generic vehicles

Generic Vehicles/Declaration Mode/CompletedBus 31b2/CompletedBus_31b.vecto

-{
-	"Header": {
-	"CreatedBy": "Markus Quaritsch, IVT, Graz University of Technology",
-	"Date": "2020-02-07T15:06:30.9725917Z",
-	"AppVersion": "2.2",
-	"FileVersion": 7
-	},
-	"Body": {
-		"CompletedVehicle": "vecto_vehicle-completed_heavyBus_31b.xml",
-		"PrimaryVehicleResults":  "primary_heavyBus group_P31_32_Smart_ES.PIF.xml"
-	}
-}
\ No newline at end of file

Generic Vehicles/Declaration Mode/CompletedBus 34f/CompletedBus_34f.vecto

-{
-	"Header": {
-	"CreatedBy": "Markus Quaritsch, IVT, Graz University of Technology",
-	"Date": "2020-02-07T15:06:30.9725917Z",
-	"AppVersion": "2.2",
-	"FileVersion": 7
-	},
-	"Body": {
-		"CompletedVehicle": "vecto_vehicle-completed_heavyBus_34f.xml",
-		"PrimaryVehicleResults":  "primary_heavyBus group_P33_34_SmartPS.PIF.xml"
-	}
-}
\ No newline at end of file

Generic Vehicles/Declaration Mode/CompletedBus 39a/CompletedBus_39a.vecto

-{
-	"Header": {
-	"CreatedBy": "Markus Quaritsch, IVT, Graz University of Technology",
-	"Date": "2020-02-07T15:06:30.9725917Z",
-	"AppVersion": "2.2",
-	"FileVersion": 7
-	},
-	"Body": {
-		"CompletedVehicle": "vecto_vehicle-completed_heavyBus_39a.xml",
-		"PrimaryVehicleResults":  "primary_heavyBus group P39_40_nonSmart_ESS_PIF.xml"
-	}
-}
\ No newline at end of file