Is there a way to erase the default configuration script?
/system default-configuration print
Nope. You can provision your own default script if you use NetInstall. This then becomes the script that survives a reset.At a guess that script is baked in as part of the OS image and can't be changed other than as part of it.
If you need to do a reset without running the default configuration script, you can try:Is there a way to erase the default configuration script?
/system default-configuration print