Apply suggestions from code review

Co-authored-by: Drashna Jaelre <drashna@live.com>

keyboards/hhkb/yang/config.h

@@ -119,9 +119,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 //#define NO_ACTION_TAPPING
 //#define NO_ACTION_ONESHOT
 
-/* disable these deprecated features by default */
-#define NO_ACTION_MACRO
-#define NO_ACTION_FUNCTION
 
 /* Bootmagic Lite key configuration */
 //#define BOOTMAGIC_LITE_ROW 0

keyboards/hhkb/yang/keymaps/default/keymap.c

@@ -18,8 +18,10 @@
  */
 #include QMK_KEYBOARD_H
 
-#define BASE 0
-#define HHKB 1
+enum custom_layers {
+    BASE,
+    HHKB,
+};
 
 const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 

keyboards/hhkb/yang/keymaps/kanru/keymap.c

@@ -19,9 +19,11 @@
 #include QMK_KEYBOARD_H
 #include <stdio.h>
 
-#define BASE 0
-#define HHKB 1
-#define MOUSE 2
+enum custom_layers {
+    BASE,
+    HHKB,
+    MOUSE,
+};
 
 #define BATTERY_FULL 550
 #define BATTERY_EMPTY 326

keyboards/hhkb/yang/rules.mk

@@ -15,13 +15,12 @@ MOUSEKEY_ENABLE = yes       # Mouse keys
 EXTRAKEY_ENABLE = yes       # Audio control and System control
 CONSOLE_ENABLE = no         # Console for debug
 COMMAND_ENABLE = yes        # Commands for debug and configuration
-# if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
 NKRO_ENABLE = no            # USB Nkey Rollover
 
 LAYOUTS = 60_hhkb
 
 # Disable bluetooth until the UART code is merged
-# BLUETOOTH = AdafruitBLE_UART
+BLUETOOTH_DRIVER = BluefruitLE
 
 # Custom matrix file for the HHKB
 CUSTOM_MATRIX = lite