Remove fread/fwrite/vfprintf redefines, the only user is iconv, being an external app

libc/misc/wchar/wchar.c

@@ -98,10 +98,6 @@
  * Manuel
  */
 
-#define vfprintf __vfprintf
-#define fread __fread
-#define fwrite __fwrite
-
 #define _GNU_SOURCE
 #define _ISOC99_SOURCE
 #include <errno.h>