rm: show untagged model information

[doringeman]

Show untagged model information on docker model rm to make it more similar to docker image rm.

Requires docker/model-runner#100 which requires docker/model-distribution@08f8ace.

You can test it by running docker/model-runner#100 in a separate terminal and then installing and trying out these changes.

$ MODEL_RUNNER_PORT=8080 make run

$ make install

$ MODEL_RUNNER_HOST=http://localhost:8080 docker model tag ai/smollm2 dorin/smollm2
Model "ai/smollm2" tagged successfully with "index.docker.io/dorin/smollm2:latest"

$ MODEL_RUNNER_HOST=http://localhost:8080 docker model inspect ai/smollm2
{
   "id": "sha256:354bf30d0aa3af413d2aa5ae4f23c66d78980072d1e07a5b0d776e9606a2f0b9",
   "tags": [
       "ai/smollm2",
       "index.docker.io/dorin/smollm2:latest"
   ],
   "created": 1742816981,
   "config": {
       "format": "gguf",
       "quantization": "IQ2_XXS/Q4_K_M",
       "parameters": "361.82 M",
       "architecture": "llama",
       "size": "256.35 MiB"
   }
}

$ MODEL_RUNNER_HOST=http://localhost:8080 docker model rm -f 354bf30d0aa3af413d2aa5ae4f23c66d78980072d1e07a5b0d776e9606a2f0b9
Untagged: ai/smollm2
Untagged: index.docker.io/dorin/smollm2:latest
Model sha256:354bf30d0aa3af413d2aa5ae4f23c66d78980072d1e07a5b0d776e9606a2f0b9 removed successfully

# remove multiple models

$ MODEL_RUNNER_HOST=http://localhost:8080 docker model inspect ai/smollm2
{
    "id": "sha256:354bf30d0aa3af413d2aa5ae4f23c66d78980072d1e07a5b0d776e9606a2f0b9",
    "tags": [
        "ai/smollm2",
        "index.docker.io/dorin/smollm2:latest"
    ],
...

$ MODEL_RUNNER_HOST=http://localhost:8080 docker model inspect ignasi/smollm2
{
    "id": "sha256:425de603d029591fe3591148d0a58f647675c36787e1c1bcdeb74943b3759246",
    "tags": [
        "ghcr.io/ilopezluna/smollm2",
        "index.docker.io/ignasi/smollm2:latest"
    ],
...

$ MODEL_RUNNER_HOST=http://localhost:8080 docker model rm -f 354bf30d0aa3af413d2aa5ae4f23c66d78980072d1e07a5b0d776e9606a2f0b9 425de603d029591fe3591148d0a58f647675c36787e1c1bcdeb74943b3759246
Untagged: ai/smollm2
Untagged: index.docker.io/dorin/smollm2:latest
Deleted: sha256:354bf30d0aa3af413d2aa5ae4f23c66d78980072d1e07a5b0d776e9606a2f0b9
Untagged: ghcr.io/ilopezluna/smollm2
Untagged: index.docker.io/ignasi/smollm2:latest
Deleted: sha256:425de603d029591fe3591148d0a58f647675c36787e1c1bcdeb74943b3759246

Same as:

$ docker image rm -f 8a1f59ffb675680d47db6337b49d22281a139e9d709335b492be023728e11715 f85340bf132ae937d2c2a763b8335c9bab35d6e8293f70f606b9c6178d84f42b
Untagged: dorin/alpine:latest
Untagged: alpine:latest
Deleted: sha256:8a1f59ffb675680d47db6337b49d22281a139e9d709335b492be023728e11715
Untagged: busybox:latest
Untagged: mybusybox:latest
Deleted: sha256:f85340bf132ae937d2c2a763b8335c9bab35d6e8293f70f606b9c6178d84f42b