supervisorctl: stop process before removing it (#7284)
* supervisorctl: stop process before removing it
* Update supervisorctl.py
Removes blanks
* adds fragment
* introduces stop_before_removing parameter and fix deleting after stopping
* reduce line length
* Apply suggestions from code review
Co-authored-by: Felix Fontein <felix@fontein.de>
* miss some exit
* fixing review
---------
Co-authored-by: Felix Fontein <felix@fontein.de>
(cherry picked from commit b88b04593f)
Co-authored-by: Damien Gustave <delovan@gmail.com>
