Clean up file endings

Marlin/src/HAL/HAL_STM32F4/EmulatedEeprom.cpp

@@ -140,4 +140,3 @@ void eeprom_update_block(const void *__src, void *__dst, size_t __n) {
 
 #endif // ENABLED(EEPROM_SETTINGS) && DISABLED(I2C_EEPROM) && DISABLED(SPI_EEPROM)
 #endif // STM32F4 || STM32F4xx
-

Marlin/src/HAL/HAL_STM32F7/EmulatedEeprom.cpp

@@ -137,4 +137,3 @@ void eeprom_update_block(const void *__src, void *__dst, size_t __n) {
 }
 
 #endif // STM32F7
-

Marlin/src/HAL/shared/MarlinSerial.h

@@ -58,4 +58,3 @@ constexpr bool
       || true
     #endif
   );
-

Marlin/src/HAL/shared/backtrace/unwinder.cpp

@@ -57,5 +57,3 @@ UnwResult UnwindStart(UnwindFrame* frame, const UnwindCallbacks *cb, void *data)
   }
 }
 #endif
-
-

Marlin/src/HAL/shared/backtrace/unwmemaccess.cpp

@@ -167,4 +167,3 @@ bool UnwReadB(const uint32_t a, uint8_t *v) {
 }
 
 #endif
-