Remove enable-dtrace from jdk8 pipeline
Remove enable-dtrace from jdk8 pipeline

* JDK8 does not support the --enable-dtrace option

Signed-off-by: Morgan Davies <467cf9e87a742b793386ba461f58babccc5fdd97@ibm.com>

karianna/openjdk-build,AdoptOpenJDK/openjdk-build,AdoptOpenJDK/openjdk-build,karianna/openjdk-build