Revert to position-difference method in run_z_probe()#4368

Merged

thinkyhead merged 1 commit intoMarlinFirmware:RCBugFixfrom AnHardt:run-z-probe-delta

Jul 21, 2016

+17-3

Commits on Jul 21, 2016

Back to the differences method in run_z_probe()
AnHardt
committed