Code cleanup: remove defines no longer needed on windows

source/blender/blenkernel/intern/blender.c

@@ -38,10 +38,6 @@
 #  include <unistd.h> // for read close
 #else
 #  include <io.h> // for open close read
-#  define open _open
-#  define read _read
-#  define close _close
-#  define write _write
 #endif
 
 #include <stdlib.h>

source/blender/blenkernel/intern/image.c

@@ -40,11 +40,6 @@
 
 #include <time.h>
 
-#ifdef _WIN32
-#  define open _open
-#  define close _close
-#endif
-
 #include "MEM_guardedalloc.h"
 
 #include "IMB_colormanagement.h"

source/blender/blenkernel/intern/movieclip.c

@@ -41,11 +41,6 @@
 
 #include <time.h>
 
-#ifdef _WIN32
-#  define open _open
-#  define close _close
-#endif
-
 #include "MEM_guardedalloc.h"
 
 #include "DNA_constraint_types.h"

source/blender/blenkernel/intern/packedFile.c

@@ -59,14 +59,6 @@
 #include "BKE_report.h"
 #include "BKE_sound.h"
 
-#ifdef _WIN32
-#define open _open
-#define close _close
-#define read _read
-#define write _write
-#endif
-
-
 int seekPackedFile(PackedFile *pf, int offset, int whence)
 {
 	int oldseek = -1, seek = 0;

source/blender/imbuf/intern/readimage.c

@@ -37,9 +37,6 @@
 #  include <stddef.h>
 #  include <sys/types.h>
 #  include "mmap_win.h"
-#  define open _open
-#  define read _read
-#  define close _close
 #endif
 
 #include <stdlib.h>

source/blender/imbuf/intern/util.c

@@ -34,9 +34,6 @@
 
 #ifdef _WIN32
 #  include <io.h>
-#  define open _open
-#  define read _read
-#  define close _close
 #endif
 
 #include <stdlib.h>