What does 2 Kings 2:7 mean?

The prophets in Jericho came up to Elisha and said, 'Do you know that God is going to take your master away from you today?' He answered, 'Yes, I know. Please don't bring it up.' 2 Kings 2:7 - Modern Text Bible

(Again, the prophets remind Elisha of what's about to happen, and he responds the same way, not wanting to talk about it.)