Remove Unixware and openserver support

cde/admin/IntegTools/dbTools/mkProd

@@ -92,9 +92,6 @@ then
 elif [ $BUILDSYSTEM = "SunOS" ];
 then
         PLATFORM=sun
-elif [ $BUILDSYSTEM = "UNIX_SV" ];
-then
-	PLATFORM=usl
 elif [ $BUILDSYSTEM = "OSF1" ];
 then
 	PLATFORM=dec
@@ -105,9 +102,6 @@ fi
 if [ $PLATFORM = "aix" ];
 then
         USER=`/bin/whoami`
-elif [ $PLATFORM = "usl" ];
-then
-        USER=`/usr/ucb/whoami`
 else
         USER=`/usr/bin/whoami`
 fi