cache: Drop unused method get_stream

This would be more usefully implemented by generating a (temporary) URL for direct download of vault bundles from the azure bucket.

Test Plan

this method wasn't tested

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Migrated from D8012 (view on Phabricator)

mentioned in merge request swh-objstorage!108 (closed)

Merge request was accepted

approved this merge request

Build is green

Patch application report for D8012 (id=28870)

Rebasing onto da9203fc...

Current branch diff-target is up to date.

Changes applied before test

commit 6436f0bb3a62850fcfd7353c7d8e36767a84e265
Author: Nicolas Dandrimont <nicolas@dandrimont.eu>
Date:   Tue Jun 21 17:51:03 2022 +0200

    cache: Drop unused method get_stream
    
    This would be more usefully implemented by generating a (temporary) URL
    for direct download of vault bundles from the azure bucket.

See https://jenkins.softwareheritage.org/job/DVAU/job/tests-on-diff/237/ for more details.

Merge request was merged

closed