Remove jdk24Test task from CI

JDK 24 tests are running with build on 1.16.
See #6400

Author: jonatan-ivanov

.circleci/config.yml

@@ -71,7 +71,6 @@ jobs:
     executor: circle-jdk24-executor
     steps:
       - gradlew-build
-      - run: ./gradlew jdk24Test
       - run: ./gradlew generationalShenandoahTest
 
   build: