Removed redundant DriveConfig class and replaced it with TpConfigLine.

tapeserver/castor/tape/tapeserver/daemon/CMakeLists.txt

tapeserver/castor/tape/tapeserver/daemon/CleanerSession.cpp

tapeserver/castor/tape/tapeserver/daemon/CleanerSession.hpp

...ver/castor/tape/tapeserver/daemon/DataTransferSession.cpp

...ver/castor/tape/tapeserver/daemon/DataTransferSession.hpp

...castor/tape/tapeserver/daemon/DataTransferSessionTest.cpp

tapeserver/castor/tape/tapeserver/daemon/DriveConfig.cpp

tapeserver/castor/tape/tapeserver/daemon/DriveConfig.hpp

tapeserver/castor/tape/tapeserver/daemon/DriveConfigMap.cpp

tapeserver/castor/tape/tapeserver/daemon/DriveConfigMap.hpp

tapeserver/castor/tape/tapeserver/daemon/DriveConfigTest.cpp

tapeserver/castor/tape/tapeserver/daemon/EmptyDriveProbe.cpp

tapeserver/castor/tape/tapeserver/daemon/EmptyDriveProbe.hpp

...erver/castor/tape/tapeserver/daemon/EncryptionControl.hpp

tapeserver/castor/tape/tapeserver/daemon/LabelSession.cpp

tapeserver/castor/tape/tapeserver/daemon/LabelSession.hpp

.../castor/tape/tapeserver/daemon/RecallTaskInjectorTest.cpp

...er/castor/tape/tapeserver/daemon/TapeReadSingleThread.cpp

...rver/castor/tape/tapeserver/daemon/TapeServerReporter.cpp

...rver/castor/tape/tapeserver/daemon/TapeServerReporter.hpp