[RFC] Obsolete testsuite/gdb.chill/chexp.exp

[Andrew Cagney]

> Was testsuite/gdb.chill/chexp.exp intentionally spared in the brutal CHILL testsuite slaughter of 2002-08-01?
> 
> If not, I'd like to go ahead and obsolete it, so I don't have to watch it fail on 'set language chill' whenever I run the testsuite.

Er, no, straight foobar.  Can you also tweak 5.3 branch?  (I think 
there's even a PR (gdb/700) about this.).

Andrew