scarlet: Remove unused macros in battery.c
The macros were added for debug and not used anymore.
Let clean it up.
BRANCH=none
TEST=make BOARD=scarlet
Commit-Ready: Philip Chen
Tested-by: Philip Chen
#include "gpio.h"
#include "util.h"
-#define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ## args)
-#define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ## args)
-
/*
* AE-Tech battery pack has two charging phases when operating
* between 10 and 20C
