guybrush: Remove CONFIG_KEYBOARD_DEBUG
Keyboard is stable, this debug config is no longer needed.
TEST=Boot guybrush, no keyboard debug messages
BRANCH=None
#define CONFIG_SYSTEM_UNLOCKED /* Allow dangerous commands while in dev. */
#define CONFIG_LTO /* Link-Time Optimizations to reduce code size */
#define CONFIG_I2C_DEBUG /* Print i2c traces */
-#define CONFIG_KEYBOARD_DEBUG /* Print keyboard debug messages */
#define CONFIG_CMD_S5_TIMEOUT /* Allow a user-specified timeout to exit S5 */
#undef CONFIG_UART_TX_BUF_SIZE
