Revert "introduce deliberate t/ failure"

This reverts commit d38789f.

Author: coke

doc/Language/faq.rakudoc

@@ -14,7 +14,7 @@ It's currently the one that's being developed, but there have been other
 implementations in the past and there will likely be others in the future.
 Raku is the definition of the language. When talking about the current
 interpreter, Rakudo and Raku can be used interchangeably.  "Perl 6" is the
-name name that was used for "Raku" before October 2019.
+name that was used for "Raku" before October 2019.
 
 =head2 When was Raku released?