Update workspace web ide image to remove asdf
MR: Pending
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## Description
Follow up on the discussion [here](https://gitlab.com/gitlab-org/gitlab-build-images/-/merge_requests/983#note_2671274926), we should finally remove `Dockerfile.workspaces-web-ide` contents regarding to `asdf` and publish the image.
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## Acceptance criteria
- [ ] After the `web ide` and `vscode extension` repos are using `mise`, we should remove `asdf` from dockerfile installation
## Implementation plan
NA
[Provide a high-level plan for implementation of this issue, including relevant technical and/or design details.]
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