Remove unused imports.

Author: garydgregory

src/test/java/org/apache/commons/csv/CSVRecordTest.java

@@ -30,14 +30,11 @@
 import java.io.ObjectOutputStream;
 import java.io.StringReader;
 import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collections;
 import java.util.Map;
 import java.util.TreeMap;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.atomic.AtomicInteger;
 
-import org.apache.commons.lang3.EnumUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;

src/test/java/org/apache/commons/csv/issues/JiraCsv264Test.java

@@ -17,15 +17,15 @@
 
 package org.apache.commons.csv.issues;
 
-import org.apache.commons.csv.CSVFormat;
-import org.apache.commons.csv.DuplicateHeaderMode;
-import org.junit.jupiter.api.Test;
-
 import static org.junit.jupiter.api.Assertions.assertThrows;
 
 import java.io.IOException;
 import java.io.StringReader;
 
+import org.apache.commons.csv.CSVFormat;
+import org.apache.commons.csv.DuplicateHeaderMode;
+import org.junit.jupiter.api.Test;
+
 /**
  * When {@link CSVFormat#withHeader(String...)} is not null; duplicate headers
  * with empty strings should not be allowed.