minor warnings removal

Author: cowtowncoder

ion/src/test/java/com/fasterxml/jackson/dataformat/ion/fuzz/IonFuzz_469_66149_NegArraySizeTest.java

@@ -6,7 +6,6 @@
 import com.fasterxml.jackson.core.exc.StreamReadException;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.dataformat.ion.*;
-import com.fasterxml.jackson.dataformat.ion.fuzz.IonFuzzTestUtil;
 
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.Assert.fail;

ion/src/test/java/com/fasterxml/jackson/dataformat/ion/fuzz/IonFuzz_471_66141_AssertionErrorTest.java

@@ -4,9 +4,9 @@
 import org.junit.Test;
 
 import com.fasterxml.jackson.core.exc.StreamReadException;
+
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.dataformat.ion.*;
-import com.fasterxml.jackson.dataformat.ion.fuzz.IonFuzzTestUtil;
 
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.Assert.fail;