Clean up recent contribs

Marlin/src/HAL/HAL_LPC1768/watchdog.cpp

@@ -67,14 +67,16 @@ uint8_t HAL_get_reset_source(void) {
 
 void watchdog_reset() {
   WDT_Feed();
-  #if !defined(PINS_DEBUGGING) && PIN_EXISTS(LED)
+  #if DISABLED(PINS_DEBUGGING) && PIN_EXISTS(LED)
     TOGGLE(LED_PIN);  // heart beat indicator
   #endif
 }
 
 #else
+
   void HAL_clear_reset_source(void) {}
   uint8_t HAL_get_reset_source(void) { return RST_POWER_ON; }
+
 #endif // USE_WATCHDOG
 
 #endif // TARGET_LPC1768

Marlin/src/HAL/HAL_STM32/endstop_interrupts.h

@@ -62,4 +62,3 @@ void setup_endstop_interrupts(void) {
     attachInterrupt(Z_MIN_PROBE_PIN, endstop_ISR, CHANGE);
   #endif
 }
-

Marlin/src/HAL/HAL_STM32/watchdog_STM32.cpp

@@ -31,12 +31,10 @@
 
   void watchdog_init() { IWatchdog.begin(4000000); } // 4 sec timeout
 
-  void watchdog_reset() 
+  void watchdog_reset() {
-  {
     IWatchdog.reload();
-
     #if PIN_EXISTS(LED)
-      TOGGLE(LED_PIN);  // heart beat indicator
+      TOGGLE(LED_PIN);  // heartbeat indicator
     #endif
   }