fix(alarm): Correct the alarm list

[Meggielqk]

No description provided.

[Copilot]

Pull Request Overview

This PR corrects the alarm list documentation by consolidating the separate open source and enterprise edition tables into a single unified table that includes all available alarms.

• Removed duplicate alarm entries that were separated between open source and enterprise editions
• Added missing alarm types (mnesia_transaction_manager_overload and broker_pool_overload) to the consolidated table
• Unified the alarm documentation structure for better maintainability

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
zh_CN/observability/alarms.md	Consolidated Chinese alarm table by removing enterprise-specific section and adding missing alarms
en_US/observability/alarms.md	Unified English alarm table structure and added previously missing alarm types

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