Revert "update for LTO and guard RGBLED_SPLIT"

This reverts commit ce81177cbe.

keyboards/keebio/iris/keymaps/sethBarberee/config.h

@@ -35,8 +35,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define RGBLIGHT_HUE_STEP 8
 #define RGBLIGHT_SAT_STEP 8
 #define RGBLIGHT_VAL_STEP 8
-#undef RGBLED_SPLIT
-#define RGBLED_SPLIT { RGBLED_NUM, 0}
+#define RGBLED_SPLIT { RGBLED_NUM, 0} // defined to sync animations
 
 #define FORCE_NKRO // force NKRO on by default
 

keyboards/keebio/iris/keymaps/sethBarberee/rules.mk

@@ -1,9 +1,8 @@
 BOOTMAGIC_ENABLE = no
-CONSOLE_ENABLE = no
 EXTRAKEY_ENABLE = yes  # Audio control and System control(+450)
 NKRO_ENABLE = yes       # Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
 BACKLIGHT_ENABLE = yes  # Enable my Red LEDS
 RGBLIGHT_ENABLE = yes  # Enable my RGBS
 VELOCIKEY_ENABLE = yes # I like RGB
 TAP_DANCE_ENABLE = yes # fancy fancy Caps
-LTO_ENABLE = yes # Enable link time optimization
+LINK_TIME_OPTIMIZATION = yes # Enable link time optimization