Remove disableWarningsAsErrors (#1520)
Remove disableWarningsAsErrors (#1520)

* --disable-warnings-as-errors is not valid for JDK8

Signed-off-by: Morgan Davies <467cf9e87a742b793386ba461f58babccc5fdd97@ibm.com>
AdoptOpenJDK/openjdk-build,AdoptOpenJDK/openjdk-build,karianna/openjdk-build,karianna/openjdk-build