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