C# 9 Cleanup (#325)

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

Projects/UOContent/Items/Skill Items/Tools/BaseRunicTool.cs

@@ -51,7 +51,7 @@ namespace Server.Items
             SkillName.MagicResist
         };
 
-        private static readonly BitArray m_Props = new BitArray(MaxProperties);
+        private static readonly BitArray m_Props = new(MaxProperties);
         private static readonly int[] m_Possible = new int[MaxProperties];
         private CraftResource m_Resource;