safe_z_home for Trident is negative (maybe on purpose)

[ccatlett1984]

https://github.com/MotorDynamicsLab/Leviathan/blob/master/Klipper_config/trident_leviathan_v1.2.cfg

I get setting it to -10,-10 to "force" a user to set the value, but honestly, why not 150,150 as a default? Or, at least change the wording in the comment for that line?