Remove useless "ifdef KEYBOARD_*" (#20078)

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

keyboards/yosino58/lib/host_led_state_reader.c

@@ -1,5 +1,4 @@
 #include <stdio.h>
-#include "yosino58.h"
 
 char host_led_state_str[24];
 

keyboards/yosino58/lib/keylogger.c

@@ -1,5 +1,4 @@
 #include <stdio.h>
-#include "yosino58.h"
 
 char keylog_str[24] = {};
 char keylogs_str[21] = {};

keyboards/yosino58/lib/layer_state_reader.c

@@ -1,7 +1,6 @@
 
 #include QMK_KEYBOARD_H
 #include <stdio.h>
-#include "yosino58.h"
 
 #define L_BASE 0
 #define L_LOWER 8

keyboards/yosino58/lib/logo_reader.c

@@ -1,5 +1,3 @@
-#include "yosino58.h"
-
 const char *read_logo(void) {
   static char logo[] = {
     0x2B,0x2C,0x2D,0x2E,0x2F,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39,0x3A,0x3B,0x3C,0x3D,0x3E,0x3F,

keyboards/yosino58/lib/mode_icon_reader.c

@@ -1,5 +1,4 @@
 #include <stdio.h>
-#include "yosino58.h"
 
 char mode_icon[24];
 

keyboards/yosino58/lib/timelogger.c

@@ -1,5 +1,4 @@
 #include <stdio.h>
-#include "yosino58.h"
 
 char timelog_str[24] = {};
 int last_time = 0;

keyboards/yosino58/rev1/rev1.c

@@ -1 +0,0 @@
-#include "yosino58.h"

keyboards/yosino58/yosino58.c

@@ -1 +0,0 @@
-#include "yosino58.h"

keyboards/yosino58/yosino58.h

@@ -1,5 +0,0 @@
-#pragma once
-
-#ifdef KEYBOARD_yosino58_rev1
-  #include "rev1.h"
-#endif