Replace "uniq" fossil with "unique".

S32-setting-library/Containers.pod

@@ -476,7 +476,7 @@ C<is canonicalized(&lc)>.)
 
  multi method unique(List:D: --> List:D, :&as)
 
- multi sub uniq(*@values --> List:D, :&as)
+ multi sub unique(*@values --> List:D, :&as)
 
 Returns a list of unique values from the invocant/argument list, such
 that only the first occurrence of each duplicated value remains in the
@@ -491,7 +491,7 @@ duplicates are removed.
 objects are adjacent.)
 
 The optional C<:as> parameter allows you to normalize/canonicalize the elements
-before uniq-ing. The values are transformed for the purposes of comparison, but
+before unique-ing. The values are transformed for the purposes of comparison, but
 it's still the original values that make it to the result list:
 
     say <a A B b c b C>.unique(:as(&lc))          # a B c