Clean the skills.json before sending it up.
Clean the skills.json before sending it up.

- Only include the 'version', 'blacklist' and 'skills' field.
- remove duplicate entries (with the same name)  in 'skills' section

forslund/mycroft-core,MycroftAI/mycroft-core,forslund/mycroft-core,MycroftAI/mycroft-core,Dark5ide/mycroft-core,Dark5ide/mycroft-core