Remove image in registry v2

remove image in registory v2

1. Login to the container

`docker exec -it registry sh`
2. Define variables matching your container and container version:

```export NAME="google/cadvisor"
export VERSION="v0.24.1"```
3. Move to the the registry directory:

`cd /var/lib/registry/docker/registry/v2`
4. Delete files related to your hash:

`find . | grep `ls ./repositories/$NAME/_manifests/tags/$VERSION/index/sha256`| xargs rm -rf $1`
5. Delete manifests:

`rm -rf ./repositories/$NAME/_manifests/tags/$VERSION`
6. Logout

`exit`
7. Run the GC:

`docker exec -it registry  bin/registry garbage-collect  /etc/docker/registry/config.yml`
8. If all was done properly some information about deleted blobs is shown.