Removed instance name from archive request

common/dataStructures/ArchiveJob.cpp

common/dataStructures/ArchiveJob.hpp

common/dataStructures/ArchiveRequest.cpp

common/dataStructures/ArchiveRequest.hpp

scheduler/OStoreDB/OStoreDB.cpp

scheduler/OStoreDB/OStoreDB.hpp

scheduler/OStoreDB/OStoreDBFactory.hpp

scheduler/Scheduler.cpp

scheduler/SchedulerDatabase.hpp

scheduler/SchedulerTest.cpp

xroot_plugins/XrdCtaFile.cpp