Removed undocumented setr command. It was never meant to be available.
Removed undocumented setr command. It was never meant to be available.

- The command implementation is kept, with an internal-use prefix, to be
  used by the script engine (for direct assignment commands).

Signed-off-by: Haru <f7976dc425bcce048120127956a7ec59259f4452@dotalux.com>

Nipol/Siesta,Nipol/Siesta,Nipol/Siesta