remove deploy:restart from flow documentation
remove deploy:restart from flow documentation

cause https://github.com/capistrano/capistrano/commit/4e6523e1f50707499cf75eb53dce37a89528a9b0
maliqq/capistrano,harrykiselev/capistrano,capistrano/capistrano,capistrano/capistrano,maliqq/capistrano,harrykiselev/capistrano