C# 9 Cleanup (#325)

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

Projects/Server/Events/AccountLoginEvent.cs

@@ -18,7 +18,7 @@ using Server.Network;
 
 namespace Server
 {
-    public class AccountLoginEventArgs : EventArgs
+    public class AccountLoginEventArgs
     {
         public AccountLoginEventArgs(NetState state, string username, string password)
         {

Projects/Server/Events/AggressiveActionEvent.cs

@@ -20,7 +20,7 @@ namespace Server
 {
     public class AggressiveActionEventArgs : EventArgs
     {
-        private static readonly Queue<AggressiveActionEventArgs> m_Pool = new Queue<AggressiveActionEventArgs>();
+        private static readonly Queue<AggressiveActionEventArgs> m_Pool = new();
 
         private AggressiveActionEventArgs(Mobile aggressed, Mobile aggressor, bool criminal)
         {

Projects/Server/Events/CharacterCreatedEvent.cs

@@ -19,7 +19,7 @@ using Server.Network;
 
 namespace Server
 {
-    public class CharacterCreatedEventArgs : EventArgs
+    public class CharacterCreatedEventArgs
     {
         public CharacterCreatedEventArgs(
             NetState state, IAccount a, string name, bool female, int hue, int str, int dex,

Projects/Server/Events/GameLoginEvent.cs

@@ -18,7 +18,7 @@ using Server.Network;
 
 namespace Server
 {
-    public class GameLoginEventArgs : EventArgs
+    public class GameLoginEventArgs
     {
         public GameLoginEventArgs(NetState state, string un, string pw)
         {

Projects/Server/Events/MovementEvent.cs

@@ -20,7 +20,7 @@ namespace Server
 {
     public class MovementEventArgs : EventArgs
     {
-        private static readonly Queue<MovementEventArgs> m_Pool = new Queue<MovementEventArgs>();
+        private static readonly Queue<MovementEventArgs> m_Pool = new();
 
         public MovementEventArgs(Mobile mobile, Direction dir)
         {

Projects/Server/Events/ServerCrashedEvent.cs

@@ -17,7 +17,7 @@ using System;
 
 namespace Server
 {
-    public class ServerCrashedEventArgs : EventArgs
+    public class ServerCrashedEventArgs
     {
         public ServerCrashedEventArgs(Exception e) => Exception = e;
 

Projects/Server/Events/ServerListEvent.cs

@@ -21,7 +21,7 @@ using Server.Network;
 
 namespace Server
 {
-    public class ServerListEventArgs : EventArgs
+    public class ServerListEventArgs
     {
         public ServerListEventArgs(NetState state, IAccount account)
         {

Projects/Server/Events/SocketConnectionEvent.cs

@@ -18,7 +18,7 @@ using System.Net.Sockets;
 
 namespace Server
 {
-    public class SocketConnectEventArgs : EventArgs
+    public class SocketConnectEventArgs
     {
         public SocketConnectEventArgs(Socket c)
         {

Projects/Server/Events/SpeechEvent.cs

@@ -18,7 +18,7 @@ using Server.Network;
 
 namespace Server
 {
-    public class SpeechEventArgs : EventArgs
+    public class SpeechEventArgs
     {
         public SpeechEventArgs(Mobile mobile, string speech, MessageType type, int hue, int[] keywords)
         {