Remove old Notice Api

src/Coscine.Api.Notices/.gitignore

src/Coscine.Api.Notices/.npmignore

src/Coscine.Api.Notices/.openapi-generator-ignore

src/Coscine.Api.Notices/.openapi-generator/FILES

src/Coscine.Api.Notices/.openapi-generator/VERSION

src/Coscine.Api.Notices/api.ts

src/Coscine.Api.Notices/base.ts

src/Coscine.Api.Notices/common.ts

src/Coscine.Api.Notices/configuration.ts

src/Coscine.Api.Notices/git_push.sh

src/Coscine.Api.Notices/index.ts