fix format

Author: wreulicke

gradle/quality/spotless.gradle

@@ -14,6 +14,7 @@ spotless {
 		//    funcThatTakesLambdas(x -> {}, y -> {})	// what I wish Eclipse did
 		custom 'Lambda fix', { it.replace('} )', '})').replace('} ,', '},') }
 
+		removeUnusedImports()
 		indentWithTabs()
 		endWithNewline()
 

spar-wings-spring-data-chunk/src/main/java/jp/xet/sparwings/spring/data/chunk/ChunkImpl.java

@@ -16,7 +16,6 @@
 package jp.xet.sparwings.spring.data.chunk;
 
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.Iterator;