Merge branch 'fix/inconsistent_bash_completions' of https://github.com/cgoesche/util...

* 'fix/inconsistent_bash_completions' of https://github.com/cgoesche/util-linux-fork:
  bash-completion: (unshare) add missing --map-subids option
  tunelp: remove extraneous -T option
  partx: mark the --list option as deprecated
  namei: reestablish --nosymlinks option's functionality
  bash-completion: (mountpoint) add missing --show option
  bash-completion: (mount) add missing --ro option
  mount: document --ro option on the man page
  mount: add missing --ro option info in usage message
  bash-completion: (lslogins) add missing long options
  lslogins: fix incomplete option info in usage message
  lsclocks: add missing --no-discover-rtc option info in usage message
  bash-completion: (lsclocks) add missing --no-discover-rtc option
  bash-completion: (hwclock) add missing --ul-debug option
  bash-completion: (flock) add missing long options
  flock: fix incomplete -n option info in usage message