Removed the old query-type command interface

cmdline/CMakeLists.txt

cmdline/CTACmd.cpp

cmdline/CTACmd.hpp

cmdline/CTACmdMain.cpp

cmdline/CTACopyCmd.cpp

cmdline/CTACopyCmd.hpp

cmdline/CTACopyCmdMain.cpp

cmdline/CTADirCmd.cpp

cmdline/CTADirCmd.hpp

cmdline/CTADirCmdMain.cpp

xroot_plugins/CMakeLists.txt

xroot_plugins/ParsedRequest.cpp

xroot_plugins/ParsedRequest.hpp

xroot_plugins/XrdProDir.cpp

xroot_plugins/XrdProDir.hpp

xroot_plugins/XrdProFile.cpp

xroot_plugins/XrdProFilesystem.cpp

xroot_plugins/XrdProFilesystem.hpp