Cleanup for dual endstops homing

Marlin/src/module/endstops.cpp

@@ -396,7 +396,6 @@ void Endstops::M119() {
 // Check endstops - Could be called from ISR!
 void Endstops::update() {
 
-  #define SET_BIT_TO(N,B,TF) do{ if (TF) SBI(N,B); else CBI(N,B); }while(0)
   // UPDATE_ENDSTOP_BIT: set the current endstop bits for an endstop to its status
   #define UPDATE_ENDSTOP_BIT(AXIS, MINMAX) SET_BIT_TO(live_state, _ENDSTOP(AXIS, MINMAX), (READ(_ENDSTOP_PIN(AXIS, MINMAX)) != _ENDSTOP_INVERTING(AXIS, MINMAX)))
   // COPY_BIT: copy the value of SRC_BIT to DST_BIT in DST
@@ -590,7 +589,7 @@ void Endstops::update() {
     if (dual_hit) { \
       _ENDSTOP_HIT(AXIS1, MINMAX); \
       /* if not performing home or if both endstops were trigged during homing... */ \
-      if (!stepper.performing_homing || dual_hit == 0x3) \
+      if (!stepper.homing_dual_axis || dual_hit == 0x3) \
         planner.endstop_triggered(_AXIS(AXIS1)); \
     } \
   }while(0)