🧑‍💻 MAP macro for axis lists, etc. (#24191)

Marlin/src/feature/spindle_laser.h

@@ -41,8 +41,6 @@
 #define PCT_TO_PWM(X) ((X) * 255 / 100)
 #define PCT_TO_SERVO(X) ((X) * 180 / 100)
 
-// #define _MAP(N,S1,S2,D1,D2) ((N)*_MAX((D2)-(D1),0)/_MAX((S2)-(S1),1)+(D1))
-
 class SpindleLaser {
 public:
   static const inline uint8_t pct_to_ocr(const_float_t pct) { return uint8_t(PCT_TO_PWM(pct)); }