Remove REST endpoints and Redux
Update: This MR grew quite big, so some bits of the migration were spun off into a different upcoming MR. The core, present in this MR, however, is ready to go, and will be released as soon as the pipeline completes.
Update: This MR grew quite big, so some bits of the migration were spun off into a different upcoming MR. The core, present in this MR, however, is ready to go, and will be released as soon as the pipeline completes.