Remove "hmi" repository from website documentation

Affected images versions

• not relevant - Issue with website

Unaffected images versions

n/a

Testcase

n/a

Steps to reproduce

Search website for "hmi"

Expected result

No results mentioning a "hmi" repository

Actual result

Current "hmi" repository is mentioned in a number of places

Reproducibility

How often the issue is hit when repeating the test and changing nothing (same device, same image, etc.)?

Put the ✅ in the most appropriate entry:

1. ✅ always
2. often, but not always
3. rarely

Impact of bug

Documentation does not match reality, the "hmi" package repository was last used for v2021.

Attachments

Add further information about the environment in the form of attachments here. Attach plain text files from log output (from journalctl, systemctl, …) or long backtraces as attached files. If adding comments on the log is required create a new snippet and add the link to it here.

Screenshots and videos are usually useful for graphic issues.

Root cause

describe in one line what caused the issue to give a hint to product teams whether they may be impacted or not

Outcomes

TBD

Management data

This section is for management only, it should be the last one in the description.

/cc @andrunko @em @Balasubramanian @sudarshan @wlozano

Phabricator link: https://phabricator.apertis.org/T10725