Revert "remote_settings: use MozLogFormatter (bug 1977738)"

This reverts commit eb2ea0b.

Not needed: LOGGING is sufficient [0].

[0] https://docs.djangoproject.com/en/5.2/howto/logging/#customize-logging-configuration

Author: shtrom

src/lando/remote_settings.py

@@ -1,6 +1,4 @@
-import logging
 import os
-from logging import config as logging_config
 
 from lando.main.logging import MozLogFormatter
 from lando.settings import *  # noqa: F403
@@ -43,7 +41,6 @@
     "root": {"handlers": ["null"]},
     "disable_existing_loggers": True,
 }
-logging_config.dictConfig(LOGGING)
 
 EMAIL_BACKEND = "django.core.mail.backends.smtp.EmailBackend"
 EMAIL_HOST = os.getenv("EMAIL_HOST")