Changes to Delete all upcoming contests

api operation id EliteAPIFeaturesAdminDeleteUpcomingContestsDeleteUpcomingContestsEndpoint removed and replaced with DeleteUpcomingContests

removed the media type application/json for the response with the status 401

removed the media type application/json for the response with the status 403

removed the media type text/json for the response with the status 401

removed the media type text/json for the response with the status 403

removed the media type text/plain for the response with the status 401

removed the media type text/plain for the response with the status 403

removed the success response with the status 200

api operation id EliteAPIFeaturesAdminDeleteUpcomingContestsDeleteUpcomingContestsEndpoint was added

the endpoint scheme security JWTBearerAuth was added to the API

the endpoint scheme security Bearer was removed from the API

added the success response with the status 204

endpoint added