remove obsolete code

- basic_validators is not needed any more since the implementation
  of datatypes.Stub
- client/baseclient.y is replaced by client/__init__.py both for
  the gui client and NICOS SECoP client
- lib/parsing.py used by baseclient only

Change-Id: I15b6ac880017000e155b8f6b7e2456e1bbf56dab
Reviewed-on: https://forge.frm2.tum.de/review/c/sine2020/secop/playground/+/25058
Tested-by: Jenkins Automated Tests <pedersen+jenkins@frm2.tum.de>
Reviewed-by: Enrico Faulhaber <enrico.faulhaber@frm2.tum.de>
Reviewed-by: Markus Zolliker <markus.zolliker@psi.ch>

bin/secop-console

@@ -1,76 +0,0 @@
-#!/usr/bin/env python3
-# pylint: disable=invalid-name
-#  -*- coding: utf-8 -*-
-# *****************************************************************************
-#
-# 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 2 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, write to the Free Software Foundation, Inc.,
-# 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
-#
-# Module authors:
-#   Enrico Faulhaber <enrico.faulhaber@frm2.tum.de>
-#
-# *****************************************************************************
-
-import sys
-import argparse
-from os import path
-
-# Path magic to make python find our stuff.
-# also remember our basepath (for etc, pid lookup, etc)
-basepath = path.abspath(path.join(sys.path[0], '..'))
-etc_path = path.join(basepath, 'etc')
-pid_path = path.join(basepath, 'pid')
-log_path = path.join(basepath, 'log')
-# sys.path[0] = path.join(basepath, 'src')
-sys.path[0] = basepath
-
-# do not move above!
-import mlzlog
-from secop.client.console import ClientConsole
-
-
-def parseArgv(argv):
-    parser = argparse.ArgumentParser(description="Connect to a SECoP server")
-    loggroup = parser.add_mutually_exclusive_group()
-    loggroup.add_argument("-v", "--verbose",
-                          help="Output lots of diagnostic information",
-                          action='store_true', default=False)
-    loggroup.add_argument("-q", "--quiet", help="suppress non-error messages",
-                          action='store_true', default=False)
-    parser.add_argument("name",
-                        type=str,
-                        help="Name of the instance.\n"
-                        " Uses etc/name.cfg for configuration\n",)
-    return parser.parse_args()
-
-
-def main(argv=None):
-    if argv is None:
-        argv = sys.argv
-
-    args = parseArgv(argv[1:])
-
-    loglevel = 'debug' if args.verbose else ('error' if args.quiet else 'info')
-    mlzlog.initLogging('console', loglevel, log_path)
-
-    console = ClientConsole(args.name, basepath)
-
-    try:
-        console.run()
-    except KeyboardInterrupt:
-        console.close()
-
-
-if __name__ == '__main__':
-    sys.exit(main(sys.argv))