Keymap: Adjustments to my Ortho_4x12 layout configs (#3466)

* Rules for vitamins_included

Added a section to disable RGB underglow for the Let's Split
   Vitamins Included board.

* fixing ortho_4x12 configs

layouts/community/ortho_4x12/xyverz/rules.mk

@@ -1,7 +1,12 @@
 BACKLIGHT_ENABLE = yes      # Enable keyboard backlight functionality
-RGBLIGHT_ENABLE = yes       # Enable RGB Underglow functionality
 AUDIO_ENABLE = no           # Audio output on port C6
 
+ifeq ("$(KEYBOARD)","vitamins_included")
+  RGBLIGHT_ENABLE = no
+else
+  RGBLIGHT_ENABLE = yes
+endif
+
 ifndef QUANTUM_DIR
 	include ../../../../Makefile
 endif