* [ ] Remove last minute hacky method overwrite from initializer `initializers/feature_decisions.rb`
* Begin of the insertion[x]End of the insertion Begin of the deletion [ ]End of the deletion Remove obsolete checks in app code
* [ ] Remove obsolete code of old activity tab (keep in mind that in the Acitivity module some stuff might still be needed)
* [ ] Adopt specs that expect old activity tab, e.g. feature specs for custom actions