remove unnecessary line
remove unnecessary line

alexeyxo/protobuf-objc,E-B-Smith/protobuf-objc,E-B-Smith/protobuf-objc,E-B-Smith/protobuf-objc,alexeyxo/protobuf-objc,alexeyxo/protobuf-objc,alexeyxo/protobuf-objc,E-B-Smith/protobuf-objc