removed unsued class properties from function visitor

Author: Razmo99

src/PowerShellEditorServices/Services/PowerShell/Refactoring/IterativeFunctionVistor.cs

@@ -12,8 +12,6 @@ internal class IterativeFunctionRename
     {
         private readonly string OldName;
         private readonly string NewName;
-        internal Queue<Ast> queue = new();
-        internal bool ShouldRename;
         public List<TextChange> Modifications = new();
         internal int StartLineNumber;
         internal int StartColumnNumber;