remove spaces + tidy up imports

Author: mneedham

algo/src/main/java/org/neo4j/graphalgo/similarity/ParallelSimilarityExporter.java

@@ -154,7 +154,4 @@ private DisjointSetStruct computePartitions(HeavyGraph graph) {
         return struct;
     }
 
-
-
-
 }

algo/src/main/java/org/neo4j/graphalgo/similarity/SequentialSimilarityExporter.java

@@ -18,20 +18,9 @@
  */
 package org.neo4j.graphalgo.similarity;
 
-import org.neo4j.graphalgo.core.utils.ExceptionUtil;
-import org.neo4j.graphalgo.core.utils.StatementApi;
-import org.neo4j.internal.kernel.api.exceptions.EntityNotFoundException;
-import org.neo4j.internal.kernel.api.exceptions.InvalidTransactionTypeKernelException;
-import org.neo4j.internal.kernel.api.exceptions.KernelException;
-import org.neo4j.internal.kernel.api.exceptions.explicitindex.AutoIndexingKernelException;
-import org.neo4j.kernel.api.KernelTransaction;
 import org.neo4j.kernel.internal.GraphDatabaseAPI;
 import org.neo4j.logging.Log;
-import org.neo4j.values.storable.Values;
 
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
 import java.util.stream.Stream;
 
 public class SequentialSimilarityExporter extends SimilarityExporter {
@@ -48,6 +37,4 @@ public int export(Stream<SimilarityResult> similarityPairs, long batchSize) {
         log.info("SequentialSimilarityExporter: Batch Size: %d, Batches written - sequentially: %d", batchSize, batches);
         return batches;
     }
-
-
 }