Remove / revert the pin for `OS_COMPUTE_API_VERSION=2.87` when the upstream fixes the root cause

[chanchiwai-ray]

We should remove or revert the changes made to the snap service's environment variable when the upstream fixes the root cause since this is only a workaround for that issue.

Related: PR #30

[Pjack]

Close and Reopen to trigger the sync between github/JIRA