Remove unused function

Author: josie-atkins

graphql-builder/src/main/java/com/phocassoftware/graphql/builder/DirectivesSchema.java

@@ -192,23 +192,6 @@ private CompletableFuture<Object> applyRestrict(RestrictType restrict, Object re
 		}
 	}
 
-	private static <T> CompletableFuture<List<T>> all(List<CompletableFuture<T>> toReturn) {
-		return CompletableFuture
-			.allOf(toReturn.toArray(CompletableFuture[]::new))
-			.thenApply(
-				__ -> toReturn
-					.stream()
-					.map(m -> {
-						try {
-							return m.get();
-						} catch (InterruptedException | ExecutionException e) {
-							throw new RuntimeException(e);
-						}
-					})
-					.collect(Collectors.toList())
-			);
-	}
-
 	public void addSchemaDirective(AnnotatedElement element, Class<?> location, Consumer<GraphQLAppliedDirective> builder) {
 		for (Annotation annotation : element.getAnnotations()) {
 			var processor = this.directiveProcessors.get(annotation.annotationType());