Remove extra '<' in C< > block

Author: paultcochrane

lib/Language/functions.pod

@@ -315,7 +315,7 @@ With C<is tighter(&other-operator)> you can squeeze in an operator with a
 tighter precedence than the one you specified, but looser than the
 next-tighter precedence level.
 
-For example C<< infix:<*> >> has a tighter precedence than C<<< infix:<+> >>,
+For example C<< infix:<*> >> has a tighter precedence than C<< infix:<+> >>,
 and squeezinge one in between works like this:
 
 =begin code