Fixing tests

Author: Alexey Kudinkin

hudi-utilities/src/test/java/org/apache/hudi/utilities/functional/TestHoodieDeltaStreamer.java

@@ -26,7 +26,6 @@
 import org.apache.hadoop.fs.LocatedFileStatus;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.fs.RemoteIterator;
-import org.apache.hudi.AvroConversionUtils;
 import org.apache.hudi.DataSourceReadOptions;
 import org.apache.hudi.DataSourceWriteOptions;
 import org.apache.hudi.client.SparkRDDWriteClient;