removed outdated header from message schema #12
removed outdated header from message schema #12

Signed-off-by: Florian Waltersdorfer <f74f90adf3cc094a51e9381fa895b4ddc5c645b5@gmail.com>

openengsb/openengsb,openengsb/openengsb,tobster/openengsb,tobster/openengsb,openengsb/openengsb,openengsb/openengsb,openengsb/openengsb,tobster/openengsb,tobster/openengsb,openengsb/openengsb