Fix Lennart Augustsson URL, remove address

This will likely be the first of a series of commits where URLs are
checked (until I get tired of doing this of course) and more importantly
addresses are removed as these seem unneeded now and the odds are they
are no longer valid.

1985/august/README.md

@@ -1,7 +1,7 @@
 # The most obscure program
 
 Lennart Augustsson  
-<chalmers!augustss>  
+<https://web.archive.org/web/20090831055828/http://www.cs.chalmers.se/~augustss>
 
 ## To build: