entrypoint: remove oscontainer from list of commands
This isn't actually a cosa command. It's a script that's used by
`cosa upload-oscontainer`.
@@ -43,7 +43,7 @@ cmd=${1:-}
# commands we'd expect to use in the local dev path
build_commands="init fetch build run prune clean list"
# commands more likely to be used in a prod pipeline only
-advanced_build_commands="buildprep buildupload oc-adm-release oscontainer upload-oscontainer"
+advanced_build_commands="buildprep buildupload oc-adm-release upload-oscontainer"
buildextend_commands="aliyun aws azure digitalocean exoscale gcp ibmcloud live metal metal4k openstack qemu vmware vultr"
utility_commands="aws-replicate compress generate-hashlist koji-upload kola remote-prune sign tag"
other_commands="shell meta"
