Perform mass cleanup

This is cleanup based on both new .NET functionality (in 6 and 7) as well as a ton of simplifications and things that were missed that were caught due to the cleanup.

SabreTools.Reports/BaseReport.cs

@@ -15,7 +15,7 @@ namespace SabreTools.Reports
         /// <summary>
         /// Logging object
         /// </summary>
-        protected readonly Logger logger = new Logger();
+        protected readonly Logger logger = new();
 
         #endregion