Remove JDK 22 testing

Author: beikov

Jenkinsfile

@@ -50,7 +50,6 @@ stage('Configure') {
 		// and it's useful to test that.
 		new BuildEnvironment( testJdkVersion: '20', testJdkLauncherArgs: '--enable-preview' ),
 		new BuildEnvironment( testJdkVersion: '21', testJdkLauncherArgs: '--enable-preview' ),
-		new BuildEnvironment( testJdkVersion: '22', testJdkLauncherArgs: '--enable-preview' ),
 		// The following JDKs aren't supported by Hibernate ORM out-of-the box yet:
 		// they require the use of -Dnet.bytebuddy.experimental=true.
 		// Make sure to remove that argument as soon as possible