[Streaming][minor] Remove additional quote and unneeded imports

Author: jerryshao <saisai.shao@intel.com>

Closes #5540 from jerryshao/minor-fix and squashes the following commits:

ebaa646 [jerryshao] Minor fix

1 files changed, 1 insertions, 1 deletions

diff --git a/examples/scala-2.10/src/main/scala/org/apache/spark/examples/streaming/DirectKafkaWordCount.scala b/examples/scala-2.10/src/main/scala/org/apache/spark/examples/streaming/DirectKafkaWordCount.scala
index 1c8a20bf8f..11a8cf0953 100644
--- a/examples/scala-2.10/src/main/scala/org/apache/spark/examples/streaming/DirectKafkaWordCount.scala
+++ b/examples/scala-2.10/src/main/scala/org/apache/spark/examples/streaming/DirectKafkaWordCount.scala
@@ -41,7 +41,7 @@ object DirectKafkaWordCount {
         |  <brokers> is a list of one or more Kafka brokers
         |  <topics> is a list of one or more kafka topics to consume from
         |
-        """".stripMargin)
+        """.stripMargin)
       System.exit(1)
     }