[release] delete tag-docker-images.sh as not required anymore (#156737)

Thanks to @clee2000  This is no longer required since the docker images use hash as tag: https://github.com/pytorch/pytorch/actions/runs/15844298044/job/44662813176#step:15:92

```
Login Succeeded
++ docker manifest inspect docker.io/pytorch/manylinux2_28-builder:cuda12.9-5011468da53e13424002bd211cc919a0ec0e8b09
++ jq '[.layers[].size, .config.size] | add / 1024 / 1024'
+ IMAGE_SIZE=9322.26076889038
+ echo 'Compressed size of image in MB: 9322.26076889038'
+ set -e
+ docker inspect --type=image docker.io/pytorch/manylinux2_28-builder:cuda12.9-5011468da53e13424002bd211cc919a0ec0e8b09
Compressed size of image in MB: 9322.26076[88](https://github.com/pytorch/pytorch/actions/runs/15844298044/job/44662813176#step:15:90)9038
+ retry docker pull docker.io/pytorch/manylinux2_28-builder:cuda12.9-5011468da53e13424002bd211cc919a0ec0e8b09
+ docker pull docker.io/pytorch/manylinux2_28-builder:cuda12.9-5011468da53e13424002bd211cc919a0ec0e8b09
cuda12.9-5011468da53e13424002bd211cc919a0ec0e8b09: Pulling from pytorch/manylinux2_28-builder
```

Pull Request resolved: https://github.com/pytorch/pytorch/pull/156737
Approved by: https://github.com/clee2000

.github/scripts/tag_docker_images_for_release.py

@@ -1,64 +0,0 @@
-import argparse
-import subprocess
-
-import generate_binary_build_matrix
-
-
-def tag_image(
-    image: str,
-    default_tag: str,
-    release_version: str,
-    dry_run: str,
-    tagged_images: dict[str, bool],
-) -> None:
-    if image in tagged_images:
-        return
-    release_image = image.replace(f"-{default_tag}", f"-{release_version}")
-    print(f"Tagging {image} to {release_image} , dry_run: {dry_run}")
-
-    if dry_run == "disabled":
-        subprocess.check_call(["docker", "pull", image])
-        subprocess.check_call(["docker", "tag", image, release_image])
-        subprocess.check_call(["docker", "push", release_image])
-    tagged_images[image] = True
-
-
-def main() -> None:
-    parser = argparse.ArgumentParser()
-    parser.add_argument(
-        "--version",
-        help="Version to tag",
-        type=str,
-        default="2.2",
-    )
-    parser.add_argument(
-        "--dry-run",
-        help="No Runtime Error check",
-        type=str,
-        choices=["enabled", "disabled"],
-        default="enabled",
-    )
-
-    options = parser.parse_args()
-    tagged_images: dict[str, bool] = {}
-    platform_images = [
-        generate_binary_build_matrix.WHEEL_CONTAINER_IMAGES,
-        generate_binary_build_matrix.LIBTORCH_CONTAINER_IMAGES,
-    ]
-    default_tag = generate_binary_build_matrix.DEFAULT_TAG
-
-    for platform_image in platform_images:  # type: ignore[attr-defined]
-        for arch in platform_image.keys():  # type: ignore[attr-defined]
-            if arch == "cpu-s390x":
-                continue
-            tag_image(
-                platform_image[arch],  # type: ignore[index]
-                default_tag,
-                options.version,
-                options.dry_run,
-                tagged_images,
-            )
-
-
-if __name__ == "__main__":
-    main()

scripts/release/README.md

@@ -10,8 +10,7 @@ These are a collection of scripts that are to be used for release activities.
 ### Order of Execution
 
 1. Run cut-release-branch.sh to cut the release branch
-2. Run tag-docker-images.sh to tag current docker images with release tag and push them to docker.io. These images will be used to build the release.
-3. Run apply-release-changes.sh to apply release only changes to create a PR with release only changes similar to this [PR](https://github.com/pytorch/pytorch/pull/149056)
+2. Run apply-release-changes.sh to apply release only changes to create a PR with release only changes similar to this [PR](https://github.com/pytorch/pytorch/pull/149056)
 
 #### Promoting packages
 

scripts/release/tag-docker-images.sh

@@ -1,24 +0,0 @@
-#!/usr/bin/env bash
-#
-# Step 1 after branch cut is complete.
-#
-# Tags latest docker images for release branch.
-# In case of failure. The script can be rerun.
-#
-#  Before executing this script do:
-#  1. Create and Check out to Release Branch
-#  git checkout -b "${RELEASE_BRANCH}"
-#  2. Update submodules
-#  git submodule update --init --recursive
-#
-# Usage (run from root of project):
-#  DRY_RUN=disabled ./scripts/release/tag-docker-images.sh
-#
-
-set -eou pipefail
-
-GIT_TOP_DIR=$(git rev-parse --show-toplevel)
-RELEASE_VERSION=${RELEASE_VERSION:-$(cut -d'.' -f1-2 "${GIT_TOP_DIR}/version.txt")}
-DRY_RUN=${DRY_RUN:-enabled}
-
-python3 .github/scripts/tag_docker_images_for_release.py --version ${RELEASE_VERSION} --dry-run ${DRY_RUN}