Revert "Trying to fix issue #231 musl"

This reverts commit 01233e5f1f.

src/readlink.c

@@ -1,12 +0,0 @@
-#include <unistd.h>
-#include <fcntl.h>
-#include "syscall.h"
-
-ssize_t readlink(const char *restrict path, char *restrict buf, size_t bufsize)
-{
-#ifdef SYS_readlink
-	return syscall(SYS_readlink, path, buf, bufsize);
-#else
-	return syscall(SYS_readlinkat, AT_FDCWD, path, buf, bufsize);
-#endif
-}