[*] drop support for discontinued Azure Single Server

[pashagolub]

No description provided.

[Copilot]

Pull Request Overview

This PR removes support for the discontinued Azure Single Server by eliminating obsolete database size metrics and related caching logic while renaming fields for clarity.

• Rename ApproxDBSizeB to ApproxDbSize in the connection settings
• Remove deprecated metrics (db_size and table_stats) and associated DB size caching functions
• Update logic for calculating database size using the new ApproxDbSize field

Reviewed Changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
internal/sources/conn.go	Renaming of the database size field for simplicity and consistency
internal/reaper/recommendations.go	Removal of obsolete metric constants related to Azure Single Server
internal/reaper/reaper.go	Calculation of DB size now leverages the renamed field and removes swapped metrics
internal/reaper/database.go	Removal of the DBGetSizeMB function and its caching logic
internal/reaper/cache.go	Removal of DB size caching variables

Comments suppressed due to low confidence (1)

internal/sources/conn.go:40

• [nitpick] The field name 'ApproxDbSize' uses inconsistent acronym capitalization compared to typical Go conventions; consider renaming it to 'ApproxDBSize' for consistency.

ApproxDbSize     int64