[OPENENGSB-950] remove KNOWN_ISSUES.md and CHANGELOG.md from windows distribution
[OPENENGSB-950] remove KNOWN_ISSUES.md and CHANGELOG.md from windows distribution

Signed-off-by: Andreas Pieber <57efbcbb22ec0bd89955a40df26b44c340d3e38d@gmail.com>

openengsb/openengsb,openengsb/openengsb,openengsb/openengsb,openengsb/openengsb,openengsb/openengsb,openengsb/openengsb