chore: drop bleve configuration

[brandon1024]

Summary

The experimental bleve search features have been removed since v11.x. Enterprise customers should use a proper search backend like ElasticSearch, and smaller deployments should use database search (enabled by default).

Drop bleve configuration.

Ticket Link

None.

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No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Advanced

Run ID: fd461848-0c8b-40c1-b41e-bb4a00b8a5e0

📥 Commits

Reviewing files that changed from the base of the PR and between 4974146 and efefbc0.

📒 Files selected for processing (2)

• docker-compose.yml
• env.example

💤 Files with no reviewable changes (2)

• env.example
• docker-compose.yml

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📝 Walkthrough

Walkthrough

The Mattermost Compose service no longer mounts a Bleve index directory or sets its container path. The example environment template also no longer lists the related variables or explanatory comment.

Changes

Bleve configuration removal

Layer / File(s)	Summary
Remove Bleve index settings docker-compose.yml, env.example	The Mattermost service no longer mounts the Bleve index directory or sets its container path. The example environment template no longer declares the related variables or explanatory comment.

Priority: ⬇️ Low

Estimated code review effort: 1 (Trivial) | ~3 minutes

Change: Other

Merge Risk: ⚪ Minimal · up to efefb

No actionable merge risk is established for this configuration removal; it is mergeable after normal checks.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Title check	✅ Passed	The title clearly and concisely describes the removal of Bleve configuration, which is the main change in the pull request.
Description check	✅ Passed	The description explains why Bleve configuration is removed and identifies the recommended search options. It is directly related to the changeset.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create a new PR

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