remove now-unneeded <stdbool.h> include directives

Author: AA-Turner

Modules/_zstd/compressor.c

@@ -18,7 +18,6 @@ class _zstd.ZstdCompressor "ZstdCompressor *" "&zstd_compressor_type_spec"
 #include "buffer.h"
 #include "zstddict.h"
 
-#include <stdbool.h>              // bool
 #include <stddef.h>               // offsetof()
 #include <zstd.h>                 // ZSTD_*()
 

Modules/_zstd/zstddict.h

@@ -3,7 +3,6 @@
 #ifndef ZSTD_DICT_H
 #define ZSTD_DICT_H
 
-#include <stdbool.h>              // bool
 #include <zstd.h>                 // ZSTD_DDict
 
 typedef struct {