Removed unused files

tapeserver/castor/tape/Constants.hpp

tapeserver/castor/tape/reactor/CMakeLists.txt

tapeserver/castor/tape/reactor/DummyPollEventHandler.cpp

tapeserver/castor/tape/reactor/DummyPollEventHandler.hpp

tapeserver/castor/tape/reactor/DummyPollReactor.cpp

tapeserver/castor/tape/reactor/DummyPollReactor.hpp

tapeserver/castor/tape/reactor/PollEventHandler.cpp

tapeserver/castor/tape/reactor/PollEventHandler.hpp

tapeserver/castor/tape/reactor/PollReactor.cpp

tapeserver/castor/tape/reactor/PollReactor.hpp

tapeserver/castor/tape/reactor/PollReactorImpl.cpp

tapeserver/castor/tape/reactor/PollReactorImpl.hpp

tapeserver/castor/tape/reactor/PollReactorImplTest.cpp

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

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

...tape/tapeserver/daemon/ProcessForkerConnectionHandler.hpp

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

...server/castor/tape/tapeserver/daemon/TapeDaemonConfig.cpp

...server/castor/tape/tapeserver/daemon/TapeDaemonConfig.hpp

tapeserver/castor/tape/tapeserver/daemon/TapeDaemonTest.cpp