Revert "Close driver in case verification fails."

This reverts commit 951e818.

The revert is necessary as the metrics indicator must not close the driver: The connectivity may be verificable later but when we close the driver here, the instance is closed forever and cannot be reusued.

Author: michael-simons

neo4j-java-driver-spring-boot-autoconfigure/src/main/java/org/neo4j/driver/springframework/boot/autoconfigure/Neo4jDriverMetricsAutoConfiguration.java

@@ -69,7 +69,6 @@ public void bindDataSourcesToRegistry(Map<String, Driver> drivers, MeterRegistry
 				.thenRunAsync(() -> new Neo4jDriverMetrics(name, driver, Collections.emptyList()).bindTo(registry))
 				.exceptionally(e -> {
 					logger.warn("Could not verify connection for " + driver + " and thus not bind to metrics.", e);
-					driver.close();
 					return null;
 				});
 		});