Deleted the (now unused) s3 transfer service
Deleted the (now unused) s3 transfer service

JuliaSoboleva/SmartReceiptsLibrary,JuliaSoboleva/SmartReceiptsLibrary,wbaumann/SmartReceiptsLibrary,wbaumann/SmartReceiptsLibrary,JuliaSoboleva/SmartReceiptsLibrary,wbaumann/SmartReceiptsLibrary