display code sanitization

include/display.h

@@ -105,7 +105,6 @@ void dp_refresh(bool nextPage = false);
 void dp_init(bool verbose = false);
 void dp_shutdown(void);
 void dp_message(const char *msg, int line, bool invers);
-void dp_drawPage(bool nextpage);
 void dp_setFont(int font, int inv = 0);
 void dp_dump(uint8_t *pBuffer = NULL);
 void dp_contrast(uint8_t contrast);