Undo setrlimit patch for 2.1.3

[Philip Blundell]

>2000-01-23  Thorsten Kukuk  <kukuk@suse.de>
>
>	* sysdeps/unix/sysv/linux/i386/getrlimit.c: Move from here ...
>	* sysdeps/unix/sysv/linux/arm/getrlimit.c: ... to here.
>	* sysdeps/unix/sysv/linux/i386/setrlimit.c: Move from here ...
>	* sysdeps/unix/sysv/linux/arm/setrlimit.c: ... to here.

If the consensus is that the rlimit changes should be reverted for i386, we 
may as well back them out for ARM also.

p.