Tweak STM32F4/7 eeprom emulation (#14563)

Marlin/src/HAL/shared/I2cEeprom.cpp

@@ -95,7 +95,6 @@ void eeprom_update_block(const void *pos, void* eeprom_address, size_t n) {
   }
 }
 
-
 uint8_t eeprom_read_byte(uint8_t *pos) {
   unsigned eeprom_address = (unsigned)pos;
 
@@ -109,7 +108,7 @@ uint8_t eeprom_read_byte(uint8_t *pos) {
   return Wire.available() ? Wire.read() : 0xFF;
 }
 
-// maybe let's not read more than 30 or 32 bytes at a time!
+// Don't read more than 30..32 bytes at a time!
 void eeprom_read_block(void* pos, const void* eeprom_address, size_t n) {
   eeprom_init();