We don't need to retain/release the mod list buffer in readModList

proxy/src/main/java/com/velocitypowered/proxy/connection/forge/legacy/LegacyForgeUtil.java

@@ -39,21 +39,18 @@ class LegacyForgeUtil {
    */
   static List<ModInfo.Mod> readModList(PluginMessage message) {
     Preconditions.checkNotNull(message, "message");
-    Preconditions
+    Preconditions.checkArgument(message.getChannel().equals(FORGE_LEGACY_HANDSHAKE_CHANNEL),
-        .checkArgument(message.getChannel().equals(FORGE_LEGACY_HANDSHAKE_CHANNEL),
             "message is not a FML HS plugin message");
 
-    ByteBuf byteBuf = message.content().retainedSlice();
+    ByteBuf contents = message.content().slice();
-    try {
+    byte discriminator = contents.readByte();
-      byte discriminator = byteBuf.readByte();
-
     if (discriminator == MOD_LIST_DISCRIMINATOR) {
       ImmutableList.Builder<ModInfo.Mod> mods = ImmutableList.builder();
-        int modCount = ProtocolUtils.readVarInt(byteBuf);
+      int modCount = ProtocolUtils.readVarInt(contents);
 
       for (int index = 0; index < modCount; index++) {
-          String id = ProtocolUtils.readString(byteBuf);
+        String id = ProtocolUtils.readString(contents);
-          String version = ProtocolUtils.readString(byteBuf);
+        String version = ProtocolUtils.readString(contents);
         mods.add(new ModInfo.Mod(id, version));
       }
 
@@ -61,9 +58,6 @@ class LegacyForgeUtil {
     }
 
     return ImmutableList.of();
-    } finally {
-      byteBuf.release();
-    }
   }
 
   /**