Don't clutter log with messages about missing Activation API, as Cindy is not using Activation API.

Author: mkarg

src/main/java/CindyBootstrap.java

@@ -116,6 +116,7 @@ public static void main(final String[] args) throws InterruptedException, Execut
 			});
 
 			final var client = ClientBuilder.newClient()
+				.property("jersey.config.disableDefaultProvider", "ALL")
 				.register(FollowRedirects.class)
 				.register(ICalendarMessageBodyReader.class);
 			final var calendarSources = sources.stream().map(source -> new CalendarSource(source, client