Fix references of 'the the' to be just 'the'

1992/rules

@@ -142,7 +142,7 @@ into a file named is 'prog.c'.  The resulting file must follow rule #2.
 
        If possible, we request that you hold off on emailing your entries
        until 1-Mar-92 0:00 UTC.  Early entries will be accepted, however.
-       We will attempt to email a confirmation to the the first author for
+       We will attempt to email a confirmation to the first author for
        all entries received after 1-Mar-92 0:00 UTC.
 
     9) Each person may submit up to 8 entries per contest year.  Each entry