remove no longer existing arg from example edm invocation

[luisschubert]

see https://github.com/EVerest/everest-dev-environment/commit/11e38d1cb32a432646a69ce7f327409f4ed2ae37 https://github.com/EVerest/everest-dev-environment/commit/11e38d1cb32a432646a69ce7f327409f4ed2ae37#r118480916

[hikinggrass]

Thanks! To merge this you have to sign off your commit, you can see how to do this in the linked "Detail" page of the failed "DCO" check

[luisschubert]

@hikinggrass I signed off the commit

[hikinggrass]

Thank you very much!