v0.11: Revert "fix process termination handling for runc exec" #3757
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This reverts commit 2f79b14.
Regression caused #3751
Summary:
This commit ended up masking rather than solving the original problem, which was unreaped zombie processes caused by cancelling the context for
runc exec
processes initiated via the gateway(*Client).NewContainer
apis. More discussion for a proper fix in #3754