Remove unused third_party/talloc

third_party/talloc/libreplace/system/wait.h

-#ifndef _system_wait_h
-#define _system_wait_h
-/* 
-   Unix SMB/CIFS implementation.
-
-   waitpid system include wrappers
-
-   Copyright (C) Andrew Tridgell 2004
-
-     ** NOTE! The following LGPL license applies to the replace
-     ** library. This does NOT imply that all of Samba is released
-     ** under the LGPL
-   
-   This library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 3 of the License, or (at your option) any later version.
-
-   This library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with this library; if not, see <http://www.gnu.org/licenses/>.
-
-*/
-
-#ifdef HAVE_SYS_WAIT_H
-#include <sys/wait.h>
-#endif
-
-#include <signal.h>
-
-#ifndef SIGCLD
-#define SIGCLD SIGCHLD
-#endif
-
-#ifndef SIGNAL_CAST
-#define SIGNAL_CAST (RETSIGTYPE (*)(int))
-#endif
-
-#ifdef HAVE_SETJMP_H
-#include <setjmp.h>
-#endif
-
-#ifndef SA_RESETHAND
-#define SA_RESETHAND SA_ONESHOT
-#endif
-
-#if !defined(HAVE_SIG_ATOMIC_T_TYPE)
-typedef int sig_atomic_t;
-#endif
-
-#if !defined(HAVE_WAITPID) && defined(HAVE_WAIT4)
-int rep_waitpid(pid_t pid,int *status,int options)
-#endif
-
-#endif