C# 9 Cleanup (#325)

- [X] Removes EventArgs - not needed
- [X] Merges sequential checks
- [X] Removes redundant type declarations

Projects/UOContent/Items/Food/Beverage.cs

@@ -572,7 +572,7 @@ namespace Server.Items
             0x3FFC, 0x3FFE
         };
 
-        private static readonly Dictionary<Mobile, Timer> m_Table = new Dictionary<Mobile, Timer>();
+        private static readonly Dictionary<Mobile, Timer> m_Table = new();
 
         private BeverageType m_Content;
         private int m_Quantity;