remove the logic for upgrading Swift 1's print that used "appendNewline"

to Swift 2 syntax that uses "terminator".  It is legacy, and removing it
allows simplifications.

test/FixCode/fixits-apply.swift.result

@@ -45,10 +45,6 @@ struct Test1 : OptionSetType {
   var rawValue: Int { return 0 }
 }
 
-print("", terminator: "")
-Swift.print("", terminator: "")
-print("", terminator: "\n")
-print("", false, appendNewline: false)
 print("", false)
 
 func ftest1() {