Revert "use heartbeat timeout as a default value when waiting for responses"
Revert "use heartbeat timeout as a default value when waiting for responses"

This reverts commit 1f70e442d637b38b43d2881ccc50d94da26d86c1.

dfockler/dcell,dfockler/dcell,niamster/dcell,celluloid/dcell,celluloid/dcell,niamster/dcell,celluloid/dcell,niamster/dcell,dfockler/dcell