Ihar Hrachyshka fa628e3f71 dhcp_meta/rpc: cleaned up greenthread.sleep(0) calls
Those are (probably) artifacts from times when neutron was using
eventlet-incompatible sqlalchemy adaptors for mysql. I don't see a reason why
we may need those explicit yields otherwise.

Change-Id: Ibf89387b7c8a2e7f08b11da058aaabf78e21daaa
2018-04-30 08:45:11 +00:00
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