Another job board hot fix

[vcarl]

Probably more fixes to come, but this should stop it from blowing up as badly as it has been. Don't need to flood #bot-log

[what-the-diff]

PR Summary

• Modification to deleteAgedPosts function
  The deleteAgedPosts function, which is part of our cleanup operations, has undergone some improvements. Its performance is expected to enhance significantly now.

• Removal of Specific Code
  We have simplified our code base by eliminating the need to shift an element from the jobBoardMessageCache. The simplification decreases complexity and should make the function easier to understand and maintain.

• Additional Debug Information
  For improvement in debugging capabilities, the logger now provides more detailed information. Specifically, the length of jobBoardMessageCache is now included in its debug message. This extra detail will allow us to better track cache usage over time.

• Detailed Error Handling
  Our error handling processes have been updated to provide more information. Should an error occur, the catch block has been updated to not only include the error message but also to break out of the loop. This change will help us in pinpointing issues faster and in a more efficient way.

[ghost]

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