Remove explicit type arguments

See gh-10494

spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/main/java/org/springframework/boot/configurationprocessor/metadata/ItemHint.java

@@ -78,7 +78,7 @@ public class ItemHint implements Comparable<ItemHint> {
 
 	public static ItemHint newHint(String name, ValueHint... values) {
 		return new ItemHint(name, Arrays.asList(values),
-				Collections.<ValueProvider>emptyList());
+				Collections.emptyList());
 	}
 
 	@Override