Overriding getMappingPathPatterns is not required

After a hierarchy change in Spring Framework in gh-22543,
`AbstractWebFluxEndpointHandlerMapping` doesn't need to override the
`getMappingPathPatterns` method anymore.

spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/web/reactive/AbstractWebFluxEndpointHandlerMapping.java

@@ -22,7 +22,6 @@ import java.util.Collection;
 import java.util.Collections;
 import java.util.LinkedHashMap;
 import java.util.Map;
-import java.util.Set;
 import java.util.function.Supplier;
 
 import org.reactivestreams.Publisher;
@@ -66,7 +65,6 @@ import org.springframework.web.reactive.result.method.RequestMappingInfo;
 import org.springframework.web.reactive.result.method.RequestMappingInfoHandlerMapping;
 import org.springframework.web.server.ResponseStatusException;
 import org.springframework.web.server.ServerWebExchange;
-import org.springframework.web.util.pattern.PathPattern;
 import org.springframework.web.util.pattern.PathPatternParser;
 
 /**
@@ -214,11 +212,6 @@ public abstract class AbstractWebFluxEndpointHandlerMapping
 		return null;
 	}
 
-	@Override
-	protected Set<PathPattern> getMappingPathPatterns(RequestMappingInfo mapping) {
-		return mapping.getPatternsCondition().getPatterns();
-	}
-
 	/**
 	 * Return the Handler providing actuator links at the root endpoint.
 	 * @return the links handler