Update documentation and status of command completion related events

By: md_5 <git@md-5.net>

paper-api/src/main/java/org/bukkit/event/player/PlayerChatTabCompleteEvent.java

@@ -3,12 +3,17 @@ package org.bukkit.event.player;
 import java.util.Collection;
 
 import org.apache.commons.lang.Validate;
+import org.bukkit.Warning;
 import org.bukkit.entity.Player;
 import org.bukkit.event.HandlerList;
 
 /**
  * Called when a player attempts to tab-complete a chat message.
+ *
+ * @deprecated This event is no longer fired due to client changes
  */
+@Deprecated
+@Warning(reason = "This event is no longer fired due to client changes")
 public class PlayerChatTabCompleteEvent extends PlayerEvent {
     private static final HandlerList handlers = new HandlerList();
     private final String message;

paper-api/src/main/java/org/bukkit/event/player/PlayerCommandSendEvent.java

@@ -1,7 +1,6 @@
 package org.bukkit.event.player;
 
 import java.util.Collection;
-import org.bukkit.Warning;
 import org.bukkit.entity.Player;
 import org.bukkit.event.HandlerList;
 
@@ -13,11 +12,7 @@ import org.bukkit.event.HandlerList;
  * are not required to securely remove all traces of the command. If secure
  * removal of commands is required, then the command should be assigned a
  * permission which is not granted to the player.
- *
- * @deprecated draft API
  */
-@Deprecated
-@Warning(false)
 public class PlayerCommandSendEvent extends PlayerEvent {
 
     private static final HandlerList handlers = new HandlerList();