don’t do unnecessary “home – go to z probe distance – home” movements before auto-leveling #774
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for delta printers when doing G32 auto-levelling, it'll first run Printer::prepareForProbing(), which homes all axes and then goes down to the z-probe bed distance. however, it'll then home again due to unconditional homing in line 329, which repeats those motions unnecessarily.
as a fix, I'd suggest removing the call to Printer::prepareForProbing() for delta printers, since it doesn't do anything besides those movements. alternatively, either instance of the homing/go-to-z-probe-distance movements can be removed from either prepareForProbing() or runBedLevelling() – I'm not sure which is the ideal solution.