[Enhancement]: Add method to remove NbtCompound child tag

[Kubaryt]

Right now getting and adding a child tag has a method, however removing it from compound hasn't.

This is for example required in https://github.com/CrabCraftDev/CrabCraft/issues/230 where we need to send NBT of block entity without certain child tags which are in source NBT.

[Norbiros]

It is possible.

let values = block_entity_compound.child_tags.iter().filter(|&(key, value)| {
    if key == "id" || key == "x" || key == "z" || key == "y" || key == "keepPacked" {
        return false
    }

    true
}).cloned().collect::<Vec<_>>();

[Kubaryt]

right, I meant we don't have any direct method, put or get can be implemented similarly, but we have methods to not repeat this code every time we need to get or put something in child tags

[Norbiros]

In this case methods like delete would take M*O(N), and by implementing filter it would take only O(N)... I think we could implement more traits so we can easier filter children in compound without having to clone and reconstruct it.