eacb1e7831 Deprecate function (yancy) Pull request description: closes https://github.com/rust-bitcoin/rust-bitcoin/issues/3602 ACKs for top commit: tcharding: ACK eacb1e7831 apoelstra: ACK eacb1e7831bdf2058a674a106b91447c1fe9470e; successfully ran local tests; lol Tree-SHA512: 9da7881ee62e1808d83c92e232cef42055cce6e3ba03dc1001472948380c16a1968da1d4ce4f7ad13d78d1d70e143851f2635ba167c4df34be61ecf3f2fdee4e
eacb1e7831