Remove Unixware and openserver support

cde/lib/DtSvc/DtEncap/pty.c

@@ -1068,13 +1068,11 @@ int SPC_Setpgrp(int read_current_termio)
     return(SPC_ERROR);
   }
 
-#if !defined(USL)
   if(tcsetattr(setpgrp_wire->fd[SLAVE_SIDE], TCSANOW, XeTermioStruct)==ERROR) {
     SPC_Error(SPC_Bad_tc_Call,(XeString)"tcsetattr");
     _DtSvcProcessUnlock();
     return(SPC_ERROR);
   }
-#endif
 
   _DtSvcProcessUnlock();
   return(TRUE);  

cde/lib/DtSvc/DtEncap/spc-net.c

@@ -388,12 +388,7 @@ SPC_Connection_Ptr SPC_Init_Child(SPC_Connection_Ptr conn,
 SPC_Connection_Ptr SPC_Standalone_Daemon(SPC_Connection_Ptr conn)
 {
   struct sockaddr_in saddr, client_saddr;
-#ifdef USL
-  /* Only UnixWare 2.02 uses the Spec1170 parameter profile for accept(). */
-  size_t len=sizeof(client_saddr);
-#else
   int len=sizeof(client_saddr);
-#endif
   int server_bind_attempts      = MAX_SERVER_BIND_ATTEMPTS;
   int server_bind_pause         = SERVER_PAUSE_INTERVAL;
   int pid, from;