Revert "gossip: convert ready to a cleaner implementation of a condition variable"
Revert "gossip: convert ready to a cleaner implementation of a condition variable"

This reverts commit feda8615ae954a4190e9e99ac597ee3e854b1987.

veteranlu/cockroach,veteranlu/cockroach,maxlang/cockroach,glycerine/cockroach,maxlang/cockroach,petermattis/cockroach,maxlang/cockroach,cockroachdb/cockroach,vaibhavarora/cockroach,petermattis/cockroach,maxlang/cockroach,cockroachdb/cockroach,petermattis/cockroach,veteranlu/cockroach,cockroachdb/cockroach,petermattis/cockroach,cockroachdb/cockroach,vaibhavarora/cockroach,maxlang/cockroach,veteranlu/cockroach,petermattis/cockroach,cockroachdb/cockroach,cockroachdb/cockroach,vaibhavarora/cockroach,petermattis/cockroach,glycerine/cockroach,vaibhavarora/cockroach,paperstreet/cockroach,vaibhavarora/cockroach,cockroachdb/cockroach,glycerine/cockroach,vaibhavarora/cockroach,petermattis/cockroach,glycerine/cockroach,paperstreet/cockroach,paperstreet/cockroach,veteranlu/cockroach,cockroachdb/cockroach,glycerine/cockroach,maxlang/cockroach,maxlang/cockroach,paperstreet/cockroach,glycerine/cockroach,glycerine/cockroach,vaibhavarora/cockroach,petermattis/cockroach,vaibhavarora/cockroach,veteranlu/cockroach,veteranlu/cockroach,maxlang/cockroach,paperstreet/cockroach,paperstreet/cockroach,paperstreet/cockroach,glycerine/cockroach,veteranlu/cockroach,paperstreet/cockroach