'Remove the block at the given `position`.
Parameters
position : tuple of len 3
The (x, y, z) position of the block to remove.
immediate : bool
Whether or not to immediately remove block from canvas.'

def remove_block(self, position, immediate=True):

    del self.world[position]
    self.sectors[sectorize(position)].remove(position)
    if immediate:
        if (position in self.shown):
            self.hide_block(position)
        self.check_neighbors(position)
