[remoting host] Fix/remove version-reporting in GN builds.

remoting/host/linux/linux_me2me_host.py

 #!/usr/bin/python
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # Virtual Me2Me implementation.  This script runs and manages the processes
 # required for a Virtual Me2Me desktop, which are: X server, X desktop
 # session, and Host process.
 # This script is intended to run continuously as a background daemon
 # process, running under an ordinary (non-root) user account.
@@ skipping 1074 matching lines @@
   parser.add_option("", "--reload", dest="reload", default=False,
                     action="store_true",
                     help="Signal currently running host to reload the config.")
   parser.add_option("", "--add-user", dest="add_user", default=False,
                     action="store_true",
                     help="Add current user to the chrome-remote-desktop group.")
   parser.add_option("", "--add-user-as-root", dest="add_user_as_root",
                     action="store", metavar="USER",
                     help="Adds the specified user to the chrome-remote-desktop "
                     "group (must be run as root).")
-  parser.add_option("", "--host-version", dest="host_version", default=False,
-                    action="store_true",
-                    help="Prints version of the host.")
   parser.add_option("", "--watch-resolution", dest="watch_resolution",
                     type="int", nargs=2, default=False, action="store",
                     help=optparse.SUPPRESS_HELP)
   (options, args) = parser.parse_args()
 
   # Determine the filename of the host configuration and PID files.
   if not options.config:
     options.config = os.path.join(CONFIG_DIR, "host#%s.json" % g_host_hash)
 
   # Check for a modal command-line option (start, stop, etc.)
@@ skipping 75 matching lines @@
       subprocess.check_call(["/usr/sbin/groupadd", "-f",
                              CHROME_REMOTING_GROUP_NAME])
       subprocess.check_call(["/usr/bin/gpasswd", "--add", user,
                              CHROME_REMOTING_GROUP_NAME])
     except (ValueError, OSError, subprocess.CalledProcessError) as e:
       logging.error("Command failed: " + str(e))
       return 1
 
     return 0
 
-  if options.host_version:
-    # TODO(sergeyu): Also check RPM package version once we add RPM package.
-    return os.system(locate_executable(HOST_BINARY_NAME) + " --version") >> 8
-
   if options.watch_resolution:
     watch_for_resolution_changes(options.watch_resolution)
     return 0
 
   if not options.start:
     # If no modal command-line options specified, print an error and exit.
     print(EPILOG, file=sys.stderr)
     return 1
 
   # If a RANDR-supporting Xvfb is not available, limit the default size to
@@ skipping 192 matching lines @@
         else:
           logging.info("Host exited with status %s." % os.WEXITSTATUS(status))
       elif os.WIFSIGNALED(status):
         logging.info("Host terminated by signal %s." % os.WTERMSIG(status))
 
 
 if __name__ == "__main__":
   logging.basicConfig(level=logging.DEBUG,
                       format="%(asctime)s:%(levelname)s:%(message)s")
   sys.exit(main())