delete obsolete system call traps [PSARC/2009/657]

[casper....@sun.com]

>I rebuilt /usr/lib/ld.so (the 4.x dynamic linker)
>so it works correctly with the modified system call traps.
>Also the libbc stuff and /usr/4lib/sbcp
>
>There is no problem with 4.x binary compatibility.


Thanks Roger.  

Casper