deprecate IllegalPacketEvent (#4867)

Spigot-API-Patches/IllegalPacketEvent.patch

@@ -22,6 +22,10 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +import org.jetbrains.annotations.NotNull;
 +import org.jetbrains.annotations.Nullable;
 +
++/**
++ * @deprecated Not used
++ */
++@Deprecated
 +public class IllegalPacketEvent extends PlayerEvent {
 +    @Nullable private final String type;
 +    @Nullable private final String ex;

Spigot-Server-Patches/Add-PlayerJumpEvent.patch

@@ -8,15 +8,6 @@ diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main
 index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
 --- a/src/main/java/net/minecraft/server/PlayerConnection.java
 +++ b/src/main/java/net/minecraft/server/PlayerConnection.java
-@@ -0,0 +0,0 @@ import org.bukkit.inventory.CraftingInventory;
- import org.bukkit.inventory.EquipmentSlot;
- import org.bukkit.inventory.InventoryView;
- import org.bukkit.util.NumberConversions;
-+import com.destroystokyo.paper.event.player.IllegalPacketEvent; // Paper
-+import com.destroystokyo.paper.event.player.PlayerJumpEvent; // Paper
- import co.aikar.timings.MinecraftTimings; // Paper
- // CraftBukkit end
- 
 @@ -0,0 +0,0 @@ public class PlayerConnection implements PacketListenerPlayIn {
                              boolean flag = d8 > 0.0D;
  
@@ -40,7 +31,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +                                    to.setPitch(packetplayinflying.pitch);
 +                                }
 +
-+                                PlayerJumpEvent event = new PlayerJumpEvent(player, from, to);
++                                com.destroystokyo.paper.event.player.PlayerJumpEvent event = new com.destroystokyo.paper.event.player.PlayerJumpEvent(player, from, to);
 +
 +                                if (event.callEvent()) {
 +                                    this.player.jump();