function removeRange(list, node, count) {
	var next = node.next;
	for (var i = 0; i < count && next !== list.tail; i++) {
		next = next.next;
	}
	node.next = next;
	next.prev = node;
	list.length -= i;
}
Removes `count` nodes after the given node. The given node will not be removed.
@param {LinkedList<T>} list
@param {LinkedListNode<T>} node
@param {number} count
@template T