Revert "Added an "Easter egg": the legacy castor version command line :)"

This reverts commit 5cda9ec6.

cmdline/CMakeLists.txt

@@ -47,11 +47,7 @@ add_executable(cta-wfe-test EosCtaStub.cpp)
 target_link_libraries(cta-wfe-test cryptopp ctacommon XrdSsiPbEosCta XrdSsi-4 XrdSsiLib XrdUtils)
 set_property (TARGET cta-wfe-test APPEND PROPERTY INSTALL_RPATH ${PROTOBUF3_RPATH})
 
-# Easter egg: the castor version tool
-add_executable(castor castor.c)
-
 install(TARGETS cta-admin DESTINATION usr/bin)
 install(TARGETS cta-wfe-test DESTINATION usr/bin)
 install(FILES cta-cli.conf DESTINATION ${CMAKE_INSTALL_SYSCONFDIR}/cta)
-install(TARGETS castor DESTINATION usr/bin)
 

cmdline/castor.c

-/*!
- * @project        The CERN Tape Archive (CTA)
- * @brief          Command-line tool for CTA Admin commands
- * @description    CTA Admin command using Google Protocol Buffers and XRootD SSI transport
- * @copyright      Copyright 2017 CERN
- * @license        This program is free software: you can redistribute it and/or modify
- *                 it under the terms of the GNU General Public License as published by
- *                 the Free Software Foundation, either version 3 of the License, or
- *                 (at your option) any later version.
- *
- *                 This program is distributed in the hope that it will be useful,
- *                 but WITHOUT ANY WARRANTY; without even the implied warranty of
- *                 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *                 GNU General Public License for more details.
- *
- *                 You should have received a copy of the GNU General Public License
- *                 along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-/* This is an "Easter egg": the former castor version tool */
-#include <stdlib.h>
-#include <stdio.h>
-#include <unistd.h>
-
-#include "version.h"
-
-int main(int argc, char ** argv) {
-  int c;
-
-  while ((c = getopt (argc, argv, "hv")) != EOF) {
-    switch (c) {
-    case 'v':
-      printf ("CASTOR 3.0 - CTA %s\n", CTA_VERSION);
-      break;
-    case 'h':
-    default:
-      printf ("usage : %s [-v] [-h]\n", argv[0]);
-      break;
-    }
-  }
-  exit (0);
-}