Drop testing against JDK 14 (#67065)
Drop testing against JDK 14 (#67065)

JDK 14 is end of life. This commit drops testing against JDK 14.
GlenRSmith/elasticsearch,nknize/elasticsearch,robin13/elasticsearch,nknize/elasticsearch,GlenRSmith/elasticsearch,GlenRSmith/elasticsearch,nknize/elasticsearch,robin13/elasticsearch,robin13/elasticsearch,robin13/elasticsearch,nknize/elasticsearch,robin13/elasticsearch,GlenRSmith/elasticsearch,nknize/elasticsearch,GlenRSmith/elasticsearch