Delete obsolete rake tasks
Delete obsolete rake tasks

asciinema/asciinema-server,asciinema/asciinema-server,asciinema/asciinema.org,asciinema/asciinema.org,asciinema/asciinema-server,asciinema/asciinema-server,asciinema/asciinema.org,asciinema/asciinema.org