Mahmood Ali a0d025e90d Revert "executor: synchronize exitState accesses" (#5449) ...

Reverts hashicorp/nomad#5433

Apparently, channel communications can constitute Happens-Before even for proximate variables, so this syncing isn't necessary.

> _The closing of a channel happens before a receive that returns a zero value because the channel is closed._
https://golang.org/ref/mem#tmp_7

2019-03-20 07:33:05 -04:00

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