Remove useless "ifdef KEYBOARD_*" (#20078)

Co-authored-by: Nick Brassel <nick@tzarc.org>

keyboards/kinesis/alvicstep/alvicstep.c

@@ -1,4 +1,4 @@
-#include "kinesis.h"
+#include "alvicstep.h"
 
 // begin section origin  https://github.com/alvicstep/tmk_keyboard 
 

keyboards/kinesis/alvicstep/alvicstep.h

@@ -1,6 +1,13 @@
 #pragma once
 
-#include "../kinesis.h"
+#include "quantum.h"
+
+void all_led_off(void);
+void all_led_on(void);
+void num_lock_led_on(void);
+void caps_lock_led_on(void);
+void scroll_lock_led_on(void);
+void keypad_led_on(void);
 
 #define ___ KC_NO
 

keyboards/kinesis/kinesis.c

@@ -1 +0,0 @@
-#include "kinesis.h"

keyboards/kinesis/kinesis.h

@@ -1,26 +0,0 @@
-#pragma once
-
-#if defined(KEYBOARD_kinesis_alvicstep)
-#    include "alvicstep.h"
-#elif defined(KEYBOARD_kinesis_stapelberg)
-#    include "stapelberg.h"
-#elif defined(KEYBOARD_kinesis_kint2pp)
-#    include "kint2pp.h"
-#elif defined(KEYBOARD_kinesis_nguyenvietyen)
-#    include "nguyenvietyen.h"
-#elif defined(KEYBOARD_kinesis_kint36)
-#    include "kint36.h"
-#elif defined(KEYBOARD_kinesis_kint41)
-#    include "kint41.h"
-#elif defined(KEYBOARD_kinesis_kintlc)
-#    include "kintlc.h"
-#endif
-
-#include "quantum.h"
-
-void all_led_off(void);
-void all_led_on(void);
-void num_lock_led_on(void);
-void caps_lock_led_on(void);
-void scroll_lock_led_on(void);
-void keypad_led_on(void);

keyboards/kinesis/kint2pp/kint2pp.c

@@ -1 +0,0 @@
-#include "kint2pp.h"

keyboards/kinesis/nguyenvietyen/nguyenvietyen.c

@@ -1 +0,0 @@
-#include "nguyenvietyen.h"

keyboards/kinesis/stapelberg/stapelberg.c

@@ -1 +0,0 @@
-#include "stapelberg.h"