NIFI-1748 removed un-used test data

This closes #341.

Signed-off-by: Aldrin Piri <aldrin@apache.org>

nifi-nar-bundles/nifi-kafka-bundle/nifi-kafka-processors/src/test/java/org/apache/nifi/processors/kafka/KafkaPublisherTest.java

@@ -67,12 +67,6 @@ public class KafkaPublisherTest {
         kafkaLocal.stop();
     }
 
-    String test = "Khalid El Bakraoui rented an apartment in Brussels that was raided last week and both are suspected of having ties to "
-            + "the terror attacks in Paris in November, the source said. While Belgian officials say both brothers were suicide bombers, a U.S. "
-            + "official briefed earlier on preliminary evidence from the investigation says authorities are looking at the possibility that one of "
-            + "the airport explosions may have been caused by a bomb inside a suitcase and the other was a suicide bombing. But identifying the brothers "
-            + "should help spring the investigation forward, says Cedric Leighton, a CNN military analyst and the former deputy director for the Joint Chiefs of Staff.";
-
     @Test
     public void validateSuccessfulSendAsWhole() throws Exception {
         InputStream fis = new ByteArrayInputStream(sampleData.getBytes(StandardCharsets.UTF_8));