Fix unintended write to stdout

- When supervisord is run as a daemon, stdout is not available.
- The extra output may interfere with programs that scrape supervisorctl.
- When tests are run, unintended output is shown.

To solve the above issues, we need to surface this information
in a different way, e.g. in the supervisord log file or behind
a command line option for supervisorctl.

Reverts 7677999
Reverts 44b2887

Author: mnaberez

CHANGES.rst

@@ -6,10 +6,6 @@
   the ``[supervisorctl]`` section or ``[ctlplugin:x]`` sections to be in
   included files.  Patch by François Granade.
 
-- If ``supervisord`` searches the default paths for its config file (no
-  ``-c`` flag given), it will now print a message showing the path of the
-  config file that it loaded.  Patch by Alexander Tuna.
-
 4.2.5 (2022-12-23)
 ------------------
 

supervisor/options.py

@@ -128,7 +128,6 @@ def default_configfile(self):
         for path in self.searchpaths:
             if os.path.exists(path):
                 config = path
-                self.stdout.write("Chose default config file: %s\n" % config)
                 break
         if config is None and self.require_configfile:
             self.usage('No config file found at default paths (%s); '