Fix :io-core compatibility issue

Co-authored-by: Ioannis Panagiotas <ioannis.panagiotas@neotechnology.com>

Author: vnickolov

io/core/src/main/java/org/neo4j/gds/core/io/file/ElementImportRunner.java

@@ -24,10 +24,9 @@
 import org.neo4j.gds.core.io.GraphStoreInput;
 import org.neo4j.gds.core.utils.progress.tasks.ProgressTracker;
 
-import java.io.Flushable;
 import java.io.IOException;
 
-final class ElementImportRunner<T extends Flushable & InputEntityVisitor> implements Runnable {
+final class ElementImportRunner<T extends InputEntityVisitor> implements Runnable {
     private final T visitor;
     private final InputIterator inputIterator;
     private final ProgressTracker progressTracker;

io/core/src/main/java/org/neo4j/gds/core/io/file/ElementVisitor.java

@@ -26,13 +26,11 @@
 import org.neo4j.batchimport.api.input.InputEntityVisitor;
 import org.neo4j.gds.api.schema.PropertySchema;
 
-import java.io.Flushable;
-import java.io.IOException;
 import java.util.Arrays;
 import java.util.Comparator;
 import java.util.List;
 
-abstract class ElementVisitor<PROPERTY_SCHEMA extends PropertySchema> implements InputEntityVisitor, Flushable {
+abstract class ElementVisitor<PROPERTY_SCHEMA extends PropertySchema> implements InputEntityVisitor {
 
     private final Object[] currentProperties;
     private final ObjectObjectMap<String, List<PROPERTY_SCHEMA>> propertySchemas;
@@ -101,8 +99,4 @@ private void computeElementSchema() {
         propertySchema.sort(Comparator.comparing(PropertySchema::key));
         propertySchemas.put(elementIdentifier(), propertySchema);
     }
-
-
-    @Override
-    public void flush() throws IOException {}
 }

io/core/src/main/java/org/neo4j/gds/core/io/file/GraphPropertyVisitor.java

@@ -21,7 +21,5 @@
 
 import org.neo4j.batchimport.api.input.InputEntityVisitor;
 
-import java.io.Flushable;
-
-public interface GraphPropertyVisitor extends InputEntityVisitor, Flushable {
+public interface GraphPropertyVisitor extends InputEntityVisitor {
 }