[Asterisk-code-review] Revert "channel: Use frame deferral API for safe sleep." (asterisk[master])

[George Joseph]

George Joseph has reverted this change. ( https://gerrit.asterisk.org/4365 )

Change subject: Revert "channel: Use frame deferral API for safe sleep."
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Uploaded patch set 1.

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Gerrit-MessageType: revert
Gerrit-Change-Id: I848c4196dca2994b1a368087004326ea354cff95
Gerrit-PatchSet: 1
Gerrit-Project: asterisk
Gerrit-Branch: master
Gerrit-Owner: George Joseph <gjoseph at digium.com>
Gerrit-Reviewer: Anonymous Coward #1000019
Gerrit-Reviewer: Joshua Colp <jcolp at digium.com>
Gerrit-Reviewer: Mark Michelson <mmichelson at digium.com>