loolstat now uses `pgrep loolwsd$` instead
of relying on pid dumping in a temp file.
With the Admin Console this tool (loolstat)
is less useful, so this cleanup is probably
a stepping stone to removing it altogether.
Change-Id: Ib7732a00c3d3ea54dffcb71e9fe1a56c4a88016e
Reviewed-on: https://gerrit.libreoffice.org/23877
Reviewed-by: Ashod Nakashian <ashnakash@gmail.com>
Tested-by: Ashod Nakashian <ashnakash@gmail.com>