message: removes duplicate entry
diff: @@ -7,7 +7,6 @@ authors = ["Mike Lodder <redmike7@gmail.com>",
  "Darien Hess <darien.hess@evernym.com>",
  "Stephen Felt <stephen.felt@evernym.com>",
  "Cam Parra <camilo.parra@evernym.com>",
  - "Darien Hess <darien.hess@evernym.com>",
  "Brent Zundel <brent.zundel@evernym.com>"]
  homepage = "https://github.com/evernym/rust-libindy-wrapper"
  repository = "https://github.com/evernym/rust-libindy-wrapper"
  