OPNSense/core 9e5d334src/etc/inc config.inc, src/opnsense/mvc/app/library/OPNsense/Core Config.php

Cleanup backups after saving in MVC

(cherry picked from commit 26f3d71662de4ec0b105bfa1d8ec6635000aa3f6)
(cherry picked from commit cfbaafb8d592c9ae0a1b6aeba7326733e679c0d1)
DeltaFile
+0-28src/etc/inc/config.inc
+24-0src/opnsense/mvc/app/library/OPNsense/Core/Config.php
+24-282 files

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