Remove import of unused class

Author: Andrew Schofield

src/main/java/com/ibm/eventstreams/connect/mqsource/JMSReader.java

@@ -23,7 +23,6 @@
 import com.ibm.msg.client.wmq.WMQConstants;
 
 import java.io.FileInputStream;
-import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
 import java.net.MalformedURLException;