Remove release on copy for CCL (with note)

- Was causing crashes in some cases (e.g. DE's `TileDataManager#detectAndSendChangesToListeners`)
- Don't really know a way to fix this if it causes packet leaks now...

src/main/java/mod/acgaming/universaltweaks/mods/codechickenlib/mixin/UTPacketCustomRetainMixin.java

@@ -87,15 +87,8 @@ private static void utRetainForOps(Packet<INetHandler> packet, CallbackInfo ci)
         }
     }
 
-    @Shadow
-    public abstract boolean release();
-
-    /**
-     * Release this buf after copying it, just to be safe.
-     */
-    @Inject(method = "toPacket", at = @At(value = "RETURN"))
-    private void utReleaseOriginal(CallbackInfoReturnable<FMLProxyPacket> cir)
-    {
-        this.release();
-    }
+    // Releasing the PacketCustom on copy to packet would be ideal, but some mods still use the PacketCustom after calling this...
+    // But there isn't any other good way (AFAIK) to release without knowing a mod's specific usage.
+    // Excluding this prevents crashes from deallocating too early, but could there be leaks? If so, needs more investigation.
+    // @Inject(method = "toPacket", at = @At(value = "RETURN"))
 }