Removed further code from the tapeserver directory that is not related to tapeserverd

tapeserver/castor/CMakeLists.txt

tapeserver/castor/tape/tapegateway/BoolFunctor.cpp

tapeserver/castor/tape/tapegateway/BoolFunctor.hpp

tapeserver/castor/tape/tapegateway/CMakeLists.txt

tapeserver/castor/tape/tapegateway/ScopedTransaction.cpp

tapeserver/castor/tape/tapegateway/ScopedTransaction.hpp

tapeserver/castor/tape/tapegateway/ShutdownBoolFunctor.cpp

tapeserver/castor/tape/tapegateway/ShutdownBoolFunctor.hpp

.../castor/tape/tapegateway/TapeGatewayDlfMessageStrings.cpp

tapeserver/castor/tape/tapegateway/daemon/Constants.hpp

...server/castor/tape/tapegateway/daemon/ITapeGatewaySvc.hpp

...er/castor/tape/tapegateway/daemon/NsTapeGatewayHelper.cpp

...er/castor/tape/tapegateway/daemon/NsTapeGatewayHelper.hpp

...rver/castor/tape/tapegateway/daemon/TapeGatewayDaemon.cpp

...rver/castor/tape/tapegateway/daemon/TapeGatewayDaemon.hpp

...server/castor/tape/tapegateway/daemon/TapeGatewayMain.cpp

...ape/tapegateway/daemon/TapeMigrationMountLinkerThread.cpp

...ape/tapegateway/daemon/TapeMigrationMountLinkerThread.hpp

...tor/tape/tapegateway/daemon/VdqmRequestsCheckerThread.cpp

...tor/tape/tapegateway/daemon/VdqmRequestsCheckerThread.hpp