8339714: Delete tedious bool type define

Author: sendaoYan

src/java.base/unix/native/libjsig/jsig.c

@@ -42,14 +42,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-
-#if (__STDC_VERSION__ >= 199901L)
-  #include <stdbool.h>
-#else
-  #define bool int
-  #define true 1
-  #define false 0
-#endif
+#include <stdbool.h>
 
 #define MAX_SIGNALS NSIG
 

src/utils/hsdis/binutils/hsdis-binutils.c

@@ -61,14 +61,10 @@
 
 #include <bfd.h>
 #include <dis-asm.h>
+#include <stdbool.h>
 
 #include "hsdis.h"
 
-#ifndef bool
-#define bool int
-#define true 1
-#define false 0
-#endif /*bool*/
 
 /* short names for stuff in hsdis.h */
 typedef decode_instructions_event_callback_ftype  event_callback_t;