OZG-130 cleanup api-root - remove all state related code

goofy-client/apps/goofy/src/app/app.component.html

goofy-client/apps/goofy/src/app/app.component.spec.ts

goofy-client/apps/goofy/src/app/app.component.ts

goofy-client/apps/goofy/src/app/app.module.ts

goofy-client/libs/api-root-shared/src/index.ts

...t/libs/api-root-shared/src/lib/api-root-shared.actions.ts

...nt/libs/api-root-shared/src/lib/api-root-shared.facade.ts

...t/libs/api-root-shared/src/lib/api-root-shared.service.ts

...ent/libs/api-root-shared/src/lib/api-root-shared.state.ts

...-client/libs/api-root-shared/src/lib/api-root.linkrels.ts

goofy-client/libs/api-root-shared/src/lib/api-root.model.ts

goofy-client/libs/api-root-shared/src/lib/api-root.module.ts

...lient/libs/api-root-shared/src/lib/api-root.repository.ts

...ent/libs/api-root-shared/src/lib/api-root.service.spec.ts

...y-client/libs/api-root-shared/src/lib/api-root.service.ts

goofy-client/libs/api-root-shared/test/api-root.ts

...lient/libs/vorgang-shared/src/lib/vorgang-shared.state.ts