Removed unused functions and documented reporting

OpheliasOasis/Reporting/Accommodation.cs

@@ -5,6 +5,12 @@ namespace Ophelias.Reporting
     {
         internal static void GenerateAccommodationBills(List<Reservation> reservations)
         {
+            /*
+             * This function is used to format and create a new entry in the AccommodationBills.txt
+             * file. The accommodation bill details the guests Last, First name, the date they arrived,
+             * the date they depart/ departed, the length of their stay in days, and the amount they
+             * were charged.
+             */
             foreach (Reservation? r in reservations)
             {
                 string report = $"ACCOMMODATION BILL - GENERATED ON {DateTime.Now.Date.ToString("yyyy-MM-dd")}\n" +