Revert "Try to switch to jdk 1.8 for windows CI build"
Revert "Try to switch to jdk 1.8 for windows CI build"

This reverts commit b0481870b15210c86d3a6036f22e225258ccba55.

raphw/spock,GeeChao/spock,lokinell/spock,paplorinc/spock,sebi-hgdata/spock,siordache/spock,lokinell/spock,psideleau/spock,alien11689/spock,siordache/spock,paplorinc/spock,alien11689/spock,lokinell/spock,GeeChao/spock,psideleau/spock,paplorinc/spock,raphw/spock,raphw/spock,sebi-hgdata/spock,psideleau/spock,leonard84/spock,alien11689/spock,spockframework/spock,siordache/spock,sebi-hgdata/spock,GeeChao/spock