remove OSF1 support

cde/programs/dtksh/ksh93/src/cmd/ksh93/bltins/getopts.c

@@ -92,9 +92,6 @@
 #define __VA_START__(p,a)	va_start(p)
 #endif
 #endif
-#ifdef __osf__
-#include	<machine/machlimits.h>
-#endif
 #include	"defs.h"
 #include	"variables.h"
 #include	<error.h>

cde/programs/dtksh/ksh93/src/cmd/ksh93/bltins/print.c

@@ -275,7 +275,6 @@ skip2:
 	}
 	else if(!(n=sh.fdstatus[fd]))
 		n = sh_iocheckfd(fd);
-#ifndef __osf__
 	if(!(n&IOWRITE))
 	{
 		/* don't print error message for stdout for compatibility */
@@ -283,7 +282,6 @@ skip2:
 			return(1);
 		error(ERROR_system(1),msg);
 	}
-#endif
 	if(!(outfile=sh.sftable[fd]))
 	{
 		Sfdisc_t *dp;

cde/programs/dtksh/ksh93/src/cmd/ksh93/bltins/test.c

@@ -106,7 +106,7 @@
 #   undef _lib_setreuid
 #endif /* _lib_setregid */
 
-#if defined(_lib_setreuid) && ! defined(_AIX) && ! defined(__osf__)
+#if defined(_lib_setreuid) && !defined(_AIX)
     extern __MANGLE__ int setreuid __PROTO__((uid_t,uid_t));
     extern __MANGLE__ int setregid __PROTO__((uid_t,uid_t));
 #endif /* _lib_setreuid */

cde/programs/dtksh/ksh93/src/cmd/ksh93/bltins/ulimit.c

@@ -96,9 +96,6 @@
 #include	<sfio.h>
 #include	<error.h>
 #include	<shell.h>
-#ifdef __osf__
-#include	<sys/resource.h>
-#endif
 #include	"builtins.h"
 #include	"ulimit.h"