Revert "HUE-2664 [jobbrowser] Fix fetching logs from job history server"
Revert "HUE-2664 [jobbrowser] Fix fetching logs from job history server"

This reverts commit b7b7ba59a70467c4d557704189f8e7521d812930.

When we click on log icon to the left of Job_id in Jobbrowser, it is always showing
the Application Master logs instead of the Task attempt logs. Reverting this commit
fixes the issue.

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