Tidy 40percentclub boards (#4403)

* Remove unnecessary re-definitions for XXXXXXX and _______

* Update 6lit to use KC_NO in layout macros

* Update rules.mk to follow current template

* Remove use of deprecated function action_get_macro - unused and contents were from old template

* Remove use of deprecated function action_get_macro - all code was commented out

* Remove use of deprecated function action_get_macro - convert macro to use process_record_user

* Convert keymap to consistent use of _______

* fix use of old style header guards

* Swap KC_NO for XXXXXXX macro since the swap to the macro for KC_TRANS

* Resolve use of ?= in rules.mk files

* Remove duplication of rules.mk and config.h in gherkin mjt keymap

* Remove unnecessary #includes

* Align layout macros so foobar can use gherkin keymaps

* Align 6lit layout macros with foobar

* Remove ifndef QUANTUM_DIR from keymaps

keyboards/40percentclub/6lit/6lit.h

@@ -16,10 +16,10 @@
 #pragma once
 
 #include "quantum.h"
-#define ________ KC_NO
+#define ___ KC_NO
 
 #ifndef FLIP_HALF
-#define LAYOUT_split( \
+#define LAYOUT_ortho_2x6( \
 	L00, L01, L02, R00, R01, R02, \
 	L10, L11, L12, R10, R11, R12  \
 ) { \
@@ -29,7 +29,7 @@
 	{ R12, R11, R10 }, \
 }
 #else
-#define LAYOUT_split( \
+#define LAYOUT_ortho_2x6( \
 	L00, L01, L02, R00, R01, R02, \
 	L10, L11, L12, R10, R11, R12  \
 ) { \
@@ -40,15 +40,18 @@
 }
 #endif
 
-#define LAYOUT_macro( \
+#define LAYOUT_ortho_2x3( \
 	L00, L01, L02, \
 	L10, L11, L12  \
 ) { \
 	{ L00, L01, L02 }, \
 	{ L10, L11, L12 }, \
+	{ ___, ___, ___ }, \
+  { ___, ___, ___ }, \
 }
 
-#define LAYOUT LAYOUT_macro
+#define LAYOUT_macro LAYOUT_ortho_2x3
+#define LAYOUT_split LAYOUT_ortho_2x6
 
 #ifdef USE_I2C
   #error "I2C not Supported"