Remove 5-year old obsolete test

Was testing for a named parameter whose existence would only still
be known by *very* few people.

S32-list/pick.t

@@ -2,7 +2,7 @@ use v6;
 
 use Test;
 
-plan 57;
+plan 56;
 
 =begin description
 
@@ -77,11 +77,6 @@ is (<a b c d>.pick(*).sort).Str, 'a b c d', 'pick(*) returns all the items in th
     is pick("25", @a).elems, 25, "pick works Str arguments";
 }
 
-{
-    #?rakudo todo 'error on pick :replace'
-    dies-ok({ [1,2,3].pick(4, :replace) }, 'error on deprecated :replace');
-}
-
 # enums + pick
 {
     is Bool.pick(*).grep(Bool).elems, 2, 'Bool.pick works';