Remove unused imports for spark module
package org.apache.ignite.spark;
-import java.util.List;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.atomic.AtomicInteger;
import javax.cache.Cache;
@@ -31,14 +30,8 @@ import org.apache.ignite.internal.util.typedef.F;
import org.apache.ignite.lang.IgniteOutClosure;
import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest;
import org.apache.spark.SparkConf;
-import org.apache.spark.api.java.JavaRDD;
import org.apache.spark.api.java.JavaSparkContext;
-import org.apache.spark.api.java.function.Function;
-import org.apache.spark.api.java.function.Function2;
import org.apache.spark.api.java.function.PairFunction;
-import org.apache.spark.sql.Column;
-import org.apache.spark.sql.Dataset;
-import org.apache.spark.sql.Row;
import org.jetbrains.annotations.Nullable;
import org.junit.Test;
import scala.Tuple2;
