Clean up vestigal stuff

proxy/src/main/java/com/velocitypowered/proxy/connection/client/ConnectedPlayer.java

@@ -49,7 +49,7 @@ import java.util.concurrent.CompletableFuture;
 
 public class ConnectedPlayer implements MinecraftConnectionAssociation, Player {
     private static final PlainComponentSerializer PASS_THRU_TRANSLATE = new PlainComponentSerializer((c) -> "", TranslatableComponent::key);
-    public static final PermissionProvider DEFAULT_PERMISSIONS = s -> PermissionFunction.ALWAYS_UNDEFINED;
+    static final PermissionProvider DEFAULT_PERMISSIONS = s -> PermissionFunction.ALWAYS_UNDEFINED;
 
     private static final Logger logger = LogManager.getLogger(ConnectedPlayer.class);
 
@@ -107,7 +107,7 @@ public class ConnectedPlayer implements MinecraftConnectionAssociation, Player {
         return settings == null ? ClientSettingsWrapper.DEFAULT : this.settings;
     }
 
-    public void setPlayerSettings(ClientSettings settings) {
+    void setPlayerSettings(ClientSettings settings) {
         this.settings = new ClientSettingsWrapper(settings);
         server.getEventManager().fireAndForget(new PlayerSettingsChangedEvent(this, this.settings));
     }
@@ -122,7 +122,7 @@ public class ConnectedPlayer implements MinecraftConnectionAssociation, Player {
         return Optional.ofNullable(virtualHost);
     }
 
-    public void setPermissionFunction(PermissionFunction permissionFunction) {
+    void setPermissionFunction(PermissionFunction permissionFunction) {
         this.permissionFunction = permissionFunction;
     }
 

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

@@ -3,9 +3,6 @@ package com.velocitypowered.proxy.protocol;
 import com.google.common.base.Preconditions;
 import io.netty.buffer.ByteBuf;
 import io.netty.buffer.ByteBufUtil;
-import net.kyori.text.Component;
-import net.kyori.text.serializer.ComponentSerializer;
-import net.kyori.text.serializer.ComponentSerializers;
 
 import java.nio.charset.StandardCharsets;
 import java.util.UUID;
@@ -82,17 +79,4 @@ public enum ProtocolUtils { ;
         buf.writeLong(uuid.getMostSignificantBits());
         buf.writeLong(uuid.getLeastSignificantBits());
     }
-
-    public static Component readScoreboardTextComponent(ByteBuf buf, int protocolVersion) {
-        String toDeserialize = readString(buf);
-        ComponentSerializer<Component, ? extends Component, String> serializer =
-                protocolVersion >= ProtocolConstants.MINECRAFT_1_13 ? ComponentSerializers.JSON : ComponentSerializers.LEGACY;
-        return serializer.deserialize(toDeserialize);
-    }
-
-    public static void writeScoreboardTextComponent(ByteBuf buf, int protocolVersion, Component component) {
-        ComponentSerializer<Component, ? extends Component, String> serializer =
-                protocolVersion >= ProtocolConstants.MINECRAFT_1_13 ? ComponentSerializers.JSON : ComponentSerializers.LEGACY;
-        writeString(buf, serializer.serialize(component));
-    }
 }

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

@@ -6,7 +6,6 @@ import com.velocitypowered.proxy.protocol.ProtocolConstants;
 import com.velocitypowered.proxy.protocol.ProtocolUtils;
 import io.netty.buffer.ByteBuf;
 
-import static com.velocitypowered.proxy.protocol.ProtocolConstants.MINECRAFT_1_13;
 import static com.velocitypowered.proxy.protocol.ProtocolConstants.MINECRAFT_1_9;
 
 public class TabCompleteRequest implements MinecraftPacket {

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

@@ -1,6 +1,5 @@
 package com.velocitypowered.proxy.protocol.packet;
 
-import com.google.common.base.Preconditions;
 import com.velocitypowered.proxy.connection.MinecraftSessionHandler;
 import com.velocitypowered.proxy.protocol.MinecraftPacket;
 import com.velocitypowered.proxy.protocol.ProtocolConstants;

proxy/src/main/java/com/velocitypowered/proxy/util/VelocityChannelRegistrar.java

@@ -11,7 +11,6 @@ import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
-import java.util.stream.Collectors;
 
 public class VelocityChannelRegistrar implements ChannelRegistrar {
     private final Map<String, ChannelIdentifier> identifierMap = new ConcurrentHashMap<>();