Merge rust-bitcoin/rust-bitcoin#965: Remove unnecessary Write as _fmtWrite

033a12d Remove unused Write as _fmtWrite (Tobin C. Harding)

Pull request description:

  We can bring the `Write` trait into scope, no need to underscore it.

  Done as part of the MSRV checklist.

ACKs for top commit:
  Kixunil:
    ACK 033a12d
  elichai:
    ACK 033a12d
  apoelstra:
    ACK 033a12d
  sanket1729:
    utACK 033a12d

Tree-SHA512: ce1c7ec2376d4838066a6d87f2cc9fe4c911090a58c397d2f4080c4d40c913cff4999e2620054a32b72aa197254ffed74633ddb75ece175813d867c3d53892d2

Author: ChallengeDev210

src/util/key.rs

@@ -21,7 +21,7 @@ pub use secp256k1::{XOnlyPublicKey, KeyPair};
 use prelude::*;
 
 use core::{ops, str::FromStr};
-use core::fmt::{self, Write as _fmtWrite};
+use core::fmt::{self, Write};
 use io;
 #[cfg(feature = "std")] use std::error;