Revert "missing prototype of __libc_drand48_data fixed"

This reverts commit e2cea9b9edabe885b9bf2586f9541ffb8fe93f3f.

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

libc/stdlib/drand48-iter.c

@@ -21,7 +21,6 @@
 #include <stdlib.h>
 #include <limits.h>
 #include <stdint.h>
-#include <stdlib.h>
 #include <sys/types.h>
 
 #ifdef __UCLIBC_MJN3_ONLY__