Move Stepper::synchronize to Planner (#10713)

Co-Authored-By: ejtagle <ejtagle@hotmail.com>

Marlin/src/gcode/calibrate/G28.cpp

@@ -171,7 +171,7 @@ void GcodeSuite::G28(const bool always_home_all) {
   #endif
 
   // Wait for planner moves to finish!
-  stepper.synchronize();
+  planner.synchronize();
 
   // Cancel the active G29 session
   #if ENABLED(PROBE_MANUALLY)

Marlin/src/gcode/calibrate/G33.cpp

@@ -85,7 +85,7 @@ void ac_setup(const bool reset_bed) {
     tool_change(0, 0, true);
   #endif
 
-  stepper.synchronize();
+  planner.synchronize();
   setup_for_endstop_or_probe_move();
 
   #if HAS_LEVELING