Remove APIs that were deprecated for removal in 3.4.0

Closes gh-41435

Author: wilkinsona

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/influx/InfluxDbHealthContributorAutoConfiguration.java

@@ -25,7 +25,6 @@ org.springframework.boot.actuate.autoconfigure.flyway.FlywayEndpointAutoConfigur
 org.springframework.boot.actuate.autoconfigure.hazelcast.HazelcastHealthContributorAutoConfiguration
 org.springframework.boot.actuate.autoconfigure.health.HealthContributorAutoConfiguration
 org.springframework.boot.actuate.autoconfigure.health.HealthEndpointAutoConfiguration
-org.springframework.boot.actuate.autoconfigure.influx.InfluxDbHealthContributorAutoConfiguration
 org.springframework.boot.actuate.autoconfigure.info.InfoContributorAutoConfiguration
 org.springframework.boot.actuate.autoconfigure.info.InfoEndpointAutoConfiguration
 org.springframework.boot.actuate.autoconfigure.integration.IntegrationGraphEndpointAutoConfiguration

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/influx/package-info.java

@@ -113,7 +113,7 @@ public Neo4jTemplate neo4jTemplate(Neo4jClient neo4jClient, Neo4jMappingContext
 	public Neo4jTransactionManager transactionManager(Driver driver, DatabaseSelectionProvider databaseNameProvider,
 			ObjectProvider<TransactionManagerCustomizers> optionalCustomizers) {
 		Neo4jTransactionManager transactionManager = new Neo4jTransactionManager(driver, databaseNameProvider);
-		optionalCustomizers.ifAvailable((customizer) -> customizer.customize((TransactionManager) transactionManager));
+		optionalCustomizers.ifAvailable((customizer) -> customizer.customize(transactionManager));
 		return transactionManager;
 	}