UPD beautify

stm32l4a6zg-f0x.at1/Core/Inc/helper.h

@@ -24,5 +24,4 @@ char *trim(char *s);
 int strtotime (char *s, struct _tm_ *tp);
 // uint8_t dayofweek(uint8_t century, uint8_t y, uint8_t m, uint8_t d);
 
-
 #endif /* INC_HELPER_H_ */

stm32l4a6zg-f0x.at1/Core/Inc/ringbuf_test.h

@@ -10,6 +10,4 @@
 
 void ringbuf_test(void);
 
-
-
 #endif /* INC_RINGBUF_TEST_H_ */