docs: remove header
docs: remove header

Also use the account associated with Dokku for referrals.

[ci skip]
dokku/dokku,claytonbrown/dokku,progrium/dokku,elia/dokku,dokku/dokku,claytonbrown/dokku,elia/dokku,alexquick/dokku,elia/dokku,claytonbrown/dokku,jimjag/dokku,dokku/dokku,dokku/dokku,claytonbrown/dokku,claytonbrown/dokku,alexquick/dokku,elia/dokku,progrium/dokku,alexquick/dokku,fruitl00p/dokku,alexquick/dokku,jimjag/dokku,elia/dokku,jimjag/dokku,fruitl00p/dokku,progrium/dokku,dokku/dokku,fruitl00p/dokku,jimjag/dokku,fruitl00p/dokku,fruitl00p/dokku,fruitl00p/dokku,progrium/dokku,dokku/dokku,elia/dokku,alexquick/dokku,fruitl00p/dokku,progrium/dokku,dokku/dokku,alexquick/dokku,claytonbrown/dokku,jimjag/dokku,progrium/dokku,progrium/dokku,claytonbrown/dokku,elia/dokku,progrium/dokku,jimjag/dokku,fruitl00p/dokku,jimjag/dokku,alexquick/dokku,alexquick/dokku,jimjag/dokku,elia/dokku,claytonbrown/dokku,dokku/dokku