Merge pull request #1349 from paulp/pr/dead-line

Remove line of dead code.

main/command/src/main/scala/sbt/State.scala

@@ -183,7 +183,6 @@ object State {
           log.debug(s"> $x")
           f(x, s.copy(remainingCommands = xs, history = x :: s.history))
       }
-    s.copy(remainingCommands = s.remainingCommands.drop(1))
     def :::(newCommands: Seq[String]): State = s.copy(remainingCommands = newCommands ++ s.remainingCommands)
     def ::(command: String): State = (command :: Nil) ::: this
     def ++(newCommands: Seq[Command]): State = s.copy(definedCommands = (s.definedCommands ++ newCommands).distinct)
@@ -254,4 +253,4 @@ object State {
   }
   private[sbt] def getBoolean(s: State, key: AttributeKey[Boolean], default: Boolean): Boolean =
     s.get(key) getOrElse default
-}
+}