Remove CancelCodecException usages

Author: creeper123123321

src/main/java/com/viaversion/aas/codec/FrameCodec.java

@@ -1,9 +1,7 @@
 package com.viaversion.aas.codec;
 
 import com.viaversion.aas.UtilKt;
-import com.viaversion.viaversion.api.type.Type;
 import com.viaversion.viaversion.api.type.Types;
-import com.viaversion.viaversion.exception.CancelDecoderException;
 import io.netty.buffer.ByteBuf;
 import io.netty.channel.ChannelHandlerContext;
 import io.netty.handler.codec.ByteToMessageCodec;
@@ -15,9 +13,8 @@ public class FrameCodec extends ByteToMessageCodec<ByteBuf> {
 	@Override
 	protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
 		if (!ctx.channel().isActive()) {
-			in.clear();
-			// Netty throws an exception when there's no output
-			throw CancelDecoderException.CACHED;
+			in.readerIndex(in.writerIndex());
+			return;
 		}
 		// Ignore, should prevent DoS https://github.com/SpigotMC/BungeeCord/pull/2908
 

src/main/java/com/viaversion/aas/codec/MinecraftCodec.java

@@ -7,7 +7,6 @@
 import com.viaversion.aas.util.StacklessException;
 import com.viaversion.viaversion.api.protocol.packet.Direction;
 import com.viaversion.viaversion.api.protocol.version.ProtocolVersion;
-import com.viaversion.viaversion.exception.CancelEncoderException;
 import io.netty.buffer.ByteBuf;
 import io.netty.buffer.ByteBufAllocator;
 import io.netty.channel.ChannelHandlerContext;
@@ -19,8 +18,6 @@
 public class MinecraftCodec extends MessageToMessageCodec<ByteBuf, Packet> {
 	@Override
 	protected void encode(@NotNull ChannelHandlerContext ctx, @NotNull Packet msg, @NotNull List<Object> out) {
-		if (!ctx.channel().isActive()) throw CancelEncoderException.generate(null);
-
 		var buf = ByteBufAllocator.DEFAULT.buffer();
 
 		try {