Turn StatusRequest into a singleton.

proxy/src/main/java/com/velocitypowered/proxy/protocol/StateRegistry.java

@@ -23,7 +23,7 @@ public enum StateRegistry {
     },
     STATUS {
         {
-            SERVERBOUND.register(StatusRequest.class, StatusRequest::new,
+            SERVERBOUND.register(StatusRequest.class, () -> StatusRequest.INSTANCE,
                     genericMappings(0x00));
             SERVERBOUND.register(StatusPing.class, StatusPing::new,
                     genericMappings(0x01));

proxy/src/main/java/com/velocitypowered/proxy/protocol/packet/StatusRequest.java

@@ -5,6 +5,12 @@ import com.velocitypowered.proxy.protocol.MinecraftPacket;
 import io.netty.buffer.ByteBuf;
 
 public class StatusRequest implements MinecraftPacket {
+    public static final StatusRequest INSTANCE = new StatusRequest();
+
+    private StatusRequest() {
+
+    }
+
     @Override
     public void decode(ByteBuf buf, ProtocolConstants.Direction direction, int protocolVersion) {
 
@@ -14,4 +20,9 @@ public class StatusRequest implements MinecraftPacket {
     public void encode(ByteBuf buf, ProtocolConstants.Direction direction, int protocolVersion) {
 
     }
+
+    @Override
+    public String toString() {
+        return "StatusRequest";
+    }
 }