[vz-dev] [volkszaehler/vzlogger] c1a7d0: remove "daemon" setting,

[Thorben T.]

  Branch: refs/heads/cleanup_runmodes
  Home:   https://github.com/volkszaehler/vzlogger
  Commit: c1a7d0dfbaaa31ef3212dc6ae3c19ff4e0643bb4
      https://github.com/volkszaehler/vzlogger/commit/c1a7d0dfbaaa31ef3212dc6ae3c19ff4e0643bb4
  Author: r00t <r00t at constancy.org>
  Date:   2021-02-22 (Mon, 22 Feb 2021)

  Changed paths:
    M etc/vzlogger.conf
    M etc/vzlogger_generic.schema.json
    M include/Config_Options.hpp
    M src/Config_Options.cpp
    M src/api/MySmartGrid.cpp
    M src/api/Volkszaehler.cpp
    M src/threads.cpp
    M src/vzlogger.cpp

  Log Message:
  -----------
  remove "daemon" setting,

this has only ever confused everybody.
to be replaced with one-shot and foreground options.
for now:
always run logging thread,
always daemonize.