Remove redundant version requirements in hibernate-jfr

Hibernate ORM 7.0+ uses Java 17 as its baseline, so it cannot possibly be
tested on a JDK lower than 17.

Author: yrodiere

hibernate-jfr/hibernate-jfr.gradle

@@ -16,13 +16,3 @@ dependencies {
     testImplementation project( ':hibernate-testing' )
     testImplementation testLibs.jfrUnit
 }
-
-
-// JfrUnit requires JDK 17
-compileTestJava.onlyIf{
-    jdkVersions.test.release.asInt() >= 17
-}
-
-test.onlyIf {
-    jdkVersions.test.release.asInt() >= 17
-}