o no longer need separate header for slurm_auth_authd implementation,

   specific auth implementations should use prototypes from slurm_auth.h

src/common/slurm_auth_authd.h

-/*****************************************************************************\
- * slurm_auth_authd.h - authentication implementation for Brent Chun's authd
- *****************************************************************************
- *  Copyright (C) 2002 The Regents of the University of California.
- *  Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
- *  Written by AUTHOR <AUTHOR@llnl.gov>.
- *  UCRL-CODE-2002-040.
- *  
- *  This file is part of SLURM, a resource management program.
- *  For details, see <http://www.llnl.gov/linux/slurm/>.
- *  
- *  SLURM is free software; you can redistribute it and/or modify it under
- *  the terms of the GNU General Public License as published by the Free
- *  Software Foundation; either version 2 of the License, or (at your option)
- *  any later version.
- *  
- *  SLURM 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 General Public License for more
- *  details.
- *  
- *  You should have received a copy of the GNU General Public License along
- *  with SLURM; if not, write to the Free Software Foundation, Inc.,
- *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
-\*****************************************************************************/
-
-#ifndef __SLURM_AUTH_IMPL_H__
-#define __SLURM_AUTH_IMPL_H__
-
-#include <auth.h>
-
-/* Each implementation must define this structure. */
-typedef struct slurm_auth_credentials {
-	credentials creds;	/* Authd's credential structure. */
-	signature sig;		/* RSA hash for the credentials. */
-} slurm_auth_credentials_t;
-
-#endif /*__SLURM_AUTH_IMPL_H__*/