Avoid exposing `spring.resources.favicon-locations` as a property

Closes gh-9214

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/ResourceProperties.java

@@ -117,7 +117,7 @@ public class ResourceProperties implements ResourceLoaderAware {
 		return result;
 	}
 
-	public List<Resource> getFaviconLocations() {
+	public List<Resource> resolveFaviconLocations() {
 		List<Resource> locations = new ArrayList<>(this.staticLocations.length + 1);
 		if (this.resourceLoader != null) {
 			for (String location : this.staticLocations) {

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/servlet/WebMvcAutoConfiguration.java

@@ -351,7 +351,7 @@ public class WebMvcAutoConfiguration {
 			public ResourceHttpRequestHandler faviconRequestHandler() {
 				ResourceHttpRequestHandler requestHandler = new ResourceHttpRequestHandler();
 				requestHandler
-						.setLocations(this.resourceProperties.getFaviconLocations());
+						.setLocations(this.resourceProperties.resolveFaviconLocations());
 				return requestHandler;
 			}