Multi-line comments cleanup (#19535)

Marlin/src/feature/bedlevel/ubl/ubl_motion.cpp

@@ -236,9 +236,7 @@
     }
 
     /**
-     *
      * Generic case of a line crossing both X and Y Mesh lines.
-     *
      */
 
     xy_int8_t cnt = (istart - iend).ABS();

Marlin/src/feature/encoder_i2c.cpp

@@ -816,7 +816,6 @@ int8_t I2CPositionEncodersMgr::parse() {
  *    Y       Report on Y axis encoder, if present.
  *    Z       Report on Z axis encoder, if present.
  *    E       Report on E axis encoder, if present.
- *
  */
 void I2CPositionEncodersMgr::M860() {
   if (parse()) return;
@@ -846,7 +845,6 @@ void I2CPositionEncodersMgr::M860() {
  *    Y       Report on Y axis encoder, if present.
  *    Z       Report on Z axis encoder, if present.
  *    E       Report on E axis encoder, if present.
- *
  */
 void I2CPositionEncodersMgr::M861() {
   if (parse()) return;
@@ -875,7 +873,6 @@ void I2CPositionEncodersMgr::M861() {
  *    Y       Report on Y axis encoder, if present.
  *    Z       Report on Z axis encoder, if present.
  *    E       Report on E axis encoder, if present.
- *
  */
 void I2CPositionEncodersMgr::M862() {
   if (parse()) return;
@@ -905,7 +902,6 @@ void I2CPositionEncodersMgr::M862() {
  *    Y       Report on Y axis encoder, if present.
  *    Z       Report on Z axis encoder, if present.
  *    E       Report on E axis encoder, if present.
- *
  */
 void I2CPositionEncodersMgr::M863() {
   if (parse()) return;

Marlin/src/feature/mmu2/mmu2.cpp

@@ -710,13 +710,11 @@ void MMU2::tool_change(const uint8_t index) {
 }
 
 /**
- *
  * Handle special T?/Tx/Tc commands
  *
  * T? Gcode to extrude shouldn't have to follow, load to extruder wheels is done automatically
  * Tx Same as T?, except nozzle doesn't have to be preheated. Tc must be placed after extruder nozzle is preheated to finish filament load.
  * Tc Load to nozzle after filament was prepared by Tx and extruder nozzle is already heated.
- *
  */
 void MMU2::tool_change(const char* special) {
   if (!enabled) return;
@@ -922,9 +920,7 @@ void MMU2::filament_runout() {
   }
 
   /**
-   *
    * Switch material and load to nozzle
-   *
    */
   bool MMU2::load_filament_to_nozzle(const uint8_t index) {
 

Marlin/src/feature/twibus.h

@@ -48,7 +48,6 @@ typedef void (*twiRequestFunc_t)();
  *  For more information see
  *    - https://marlinfw.org/docs/gcode/M260.html
  *    - https://marlinfw.org/docs/gcode/M261.html
- *
  */
 class TWIBus {
   private: