Remove unwanted deps

 val excludedDependencies = Seq(
    "org.slf4j"       -> "slf4j-log4j12",
    "log4j"           -> "log4j",
    "org.jboss.netty" -> "netty" // We have the io.netty dependency
  )
  
  val removeUnwantedDependencies = libraryDependencies ~= { deps =>
    deps.map { d =>
      excludedDependencies.foldLeft(d) { case (acc, (group, artifact)) => acc.exclude(group, artifact) }
    }
  }