Remove todo note from JavaEELikeHealthCheckTest

It was caused by mistake in smallrye javadoc smallrye/smallrye-health#286

Author: gtroitsk

101-javaee-like-getting-started/src/test/java/io/quarkus/qe/core/JavaEELikeHealthCheckTest.java

@@ -31,7 +31,6 @@ public void testHealthEndpoint() {
 
     @Test
     public void testHealthGroupEndpoint() {
-        // TODO: There is an inconsistency about the Health groups path. Reported by https://github.com/quarkusio/quarkus/issues/16389.
         given()
                 .when().get("/q/health/group/customGroup")
                 .then()