Fix

Author: TwoFX

HumanEvalLean/HumanEval28.lean

@@ -5,7 +5,6 @@ def concatenate (strings : List String) : String :=
 
 theorem toList_concatenate {strings : List String} :
     (concatenate strings).toList = strings.flatMap String.toList := by
-  -- https://github.com/leanprover/lean4/pull/13091
   simp [concatenate]
 
 /-!