fix(pkg/stash): don't check status of all etcd endpoints on start #1889
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What is the problem I am trying to address?
Athens checks the status of all etcd endpoints when started, which can cause issues when some members of the etcd cluster are unavailable. It is perfectly okay for some members of an etcd cluster to be unavailable, as it's designed for high availability and fault tolerance.
How is the fix applied?
The management of the connections is instead deferred to the etcd client, which will handle failures and load balancing as expected.
What GitHub issue(s) does this PR fix or close?
Fixes: #1888