[Keyboard] Cleanup helix rules options (#6952)

* add temporary test shell-spript

* Use LINK_TIME_OPTIMIZATION_ENABLE instead of Link_Time_Optimization

No change in build result.

* Helix config.h use '#pragma once'

No change in build result.

* Helix helix.h,rev?/rev?.h,pico/pico.h use '#pragma once'

No change in build result.

* Use drivers/avr/pro_micro.h instead of keyboards/helix/pro_micro.h

No change in build result.

* remove keyboards/helix/{rev2|pico}/serial_config.h

No change in build result.

* 'HELIX_ROWS' macro is now referenced only in rev1/config.h and rev2/config.h.

No change in build result.

* The contents of helix/rules.mk were distributed to subdirectories.

This is a preparation to create a new subdirectory for helix code using split_common.

No change in build result.

remove 'USE_I2C = yes', 'SUBPROJECT_rev1 = no' from keyboards/helix/rules.mk.
follow code move from keyboards/helix/rules.mk to keyboards/helix/{rev1,rev2,pico}/rules.mk.

----
 SRC += i2c.c
 SRC += serial.c
 SRC += ssd1306.c

 CUSTOM_MATRIX = yes
---

* helix/{i2c.[ch], serial.[ch], ssd1306.[ch]} move into helix/local_drivers/

No change in build result.

* Simplified 'helix/pico/keymap/*/rules.mk' using KEYBOARD_LOCAL_FEATURES_MK.

No change in build result.

 * add keyboards/helix/pico/local_features.mk
 * add 'KEYBOARD_LOCAL_FEATURES_MK := $(dir $(lastword $(MAKEFILE_LIST)))local_features.mk' into keyboards/helix/pico/rules.mk
 * remove HELIX_CUSTOMISE_MSG from keyboards/helix/pico/keymaps/*/rules.mk
 * remove HELIX= process from keyboards/helix/pico/keymaps/*/rules.mk
 * remove convert code(helix to standaerd) from keyboards/helix/pico/keymaps/*/rules.mk
 * add 'include $(strip $(KEYBOARD_LOCAL_FEATURES_MK))' into keyboards/helix/pico/keymaps/*/rules.mk

* Simplified 'helix/rev2/keymap/*/rules.mk' using KEYBOARD_LOCAL_FEATURES_MK.

No change in build result.

* add keyboards/helix/rev2/local_features.mk
* add 'KEYBOARD_LOCAL_FEATURES_MK := $(dir $(lastword $(MAKEFILE_LIST)))local_features.mk' into keyboards/helix/rev2/rules.mk
* remove HELIX_CUSTOMISE_MSG from keyboards/helix/rev2/keymaps/*/rules.mk
* remove HELIX= process from keyboards/helix/rev2/keymaps/*/rules.mk
* remove convert code(helix to standaerd) from keyboards/helix/rev2/keymaps/*/rules.mk
* add 'include $(strip $(KEYBOARD_LOCAL_FEATURES_MK))' into keyboards/helix/rev2/keymaps/*/rules.mk

* Added helix keyboard build NEW method.

No change in build result.

 ## Helix build
 $ make helix:default            ## no oled, no backlight, no underglow
 $ make helix/rev2/back:default  ## no oled, with backlight, no underglow
 $ make helix/rev2/under:default ## no oled, no backlight, with underglow
 $ make helix/rev2/oled:default  ## with oled, no backlight, not underglow
 $ make helix/rev2/oled/back:default  ## with oled, with backlight, no underglow
 $ make helix/rev2/back/oled:default  ## with oled, with backlight, no underglow
 $ make helix/rev2/oled/under:default ## with oled, no backlight, with underglow
 $ make helix/rev2/under/oled:default ## with oled, no backlight, with underglow

 ## Helix pico build
 $ make helix/pico:default       ## no oled, no backlight, no underglow
 $ make helix/pico/back:default  ## no oled, with backlight, no underglow
 $ make helix/pico/under:default ## no oled, no backlight, with underglow
 $ make helix/pico/oled:default  ## with oled, no backlight, not underglow

* add temporary test shell-spript

* test end remove test script. Revert "add temporary test shell-spript"

This reverts commit 5dac20cd0f8b4bc192edb2313652c1635f829657.

* test end remove test script. Revert "add temporary test shell-spript"

This reverts commit ec49f63b2dc0f2b3fe8c1c36ffa615cee2f7e3ed.

* Extended the 'HELIX=' option. add keyword 'verbose', 'no_ani'.

No change in build result.

* update keyboards/helix/{rev2,pico}/keymaps/default/readme.md

* rename KEYBOARD_TOP_DIR to HELIX_TOP_DIR in rules.mk

* update keyboards/helix/{rev2,pico}/keymaps/default/readme_jp.md

* rm keyboards/helix/pico/oled/rules.mk

* update helix's readmes. All the ':avrdude' was replaced with ':flash'.

* remove F_CPU, ARCH, F_USB, INTERRUPT_CONTROL_ENDPOINT from helix/rules.mk

No change in build result.

keyboards/helix/rev1/rev1.h

@@ -1,5 +1,4 @@
-#ifndef REV1_H
-#define REV1_CONFIG_H
+#pragma once
 
 #include "../helix.h"
 
@@ -13,7 +12,7 @@
 #endif
 #endif
 
-#if HELIX_ROWS == 3
+#if MATRIX_ROWS == 6 // HELIX_ROWS == 3
   #ifndef FLIP_HALF
   // Standard Keymap
   // (TRRS jack on the left half is to the right, TRRS jack on the right half is to the left)
@@ -47,7 +46,7 @@
       { R20, R21, R22, R23, R24, R25 }, \
     }
   #endif
-#elif HELIX_ROWS == 4
+#elif MATRIX_ROWS == 8 // HELIX_ROWS == 4
   #ifndef FLIP_HALF
   // Standard Keymap
   // (TRRS jack on the left half is to the right, TRRS jack on the right half is to the left)
@@ -87,7 +86,7 @@
       { R30, R31, R32, R33, R34, R35 } \
     }
   #endif
-#elif HELIX_ROWS == 5
+#elif MATRIX_ROWS == 10 // HELIX_ROWS == 5
   #ifndef FLIP_HALF
   // Standard Keymap
   // (TRRS jack on the left half is to the right, TRRS jack on the right half is to the left)
@@ -138,7 +137,7 @@
 #endif
 
 // Used to create a keymap using only KC_ prefixed keys
-#if HELIX_ROWS == 3
+#if MATRIX_ROWS == 6 // HELIX_ROWS == 3
   #define LAYOUT_kc( \
     L00, L01, L02, L03, L04, L05, R00, R01, R02, R03, R04, R05, \
     L10, L11, L12, L13, L14, L15, R10, R11, R12, R13, R14, R15, \
@@ -149,7 +148,7 @@
       KC_##L10, KC_##L11, KC_##L12, KC_##L13, KC_##L14, KC_##L15, KC_##R10, KC_##R11, KC_##R12, KC_##R13, KC_##R14, KC_##R15, \
       KC_##L20, KC_##L21, KC_##L22, KC_##L23, KC_##L24, KC_##L25, KC_##R20, KC_##R21, KC_##R22, KC_##R23, KC_##R24, KC_##R25  \
     )
-#elif HELIX_ROWS == 4
+#elif MATRIX_ROWS == 8 // HELIX_ROWS == 4
   #define LAYOUT_kc( \
     L00, L01, L02, L03, L04, L05, R00, R01, R02, R03, R04, R05, \
     L10, L11, L12, L13, L14, L15, R10, R11, R12, R13, R14, R15, \
@@ -179,4 +178,3 @@
     )
 #endif
 
-#endif