Add delta feedrate scaling (#11152)

Marlin/example_configurations/delta/kossel_pro/Configuration.h

@@ -489,6 +489,9 @@
   // and processor overload (too many expensive sqrt calls).
   #define DELTA_SEGMENTS_PER_SECOND 160
 
+  // Convert feedrates to apply to the Effector instead of the Carriages
+  #define DELTA_FEEDRATE_SCALING
+
   // After homing move down to a height where XY movement is unconstrained
   //#define DELTA_HOME_TO_SAFE_ZONE