Remove dead code from gossip/state.go (#1866)
Remove dead code from gossip/state.go (#1866)

There is a leftovers due to refactoring in gossip/state.go, which
removed in this commit.

Signed-off-by: Artem Barger <6d127d713cb520aa658cf81ac2373d74ffc1958c@il.ibm.com>
manish-sethi/fabric-sidedb,jimthematrix/fabric,manish-sethi/fabric-sidedb,hyperledger/fabric,hyperledger/fabric,stemlending/fabric,stemlending/fabric,stemlending/fabric,manish-sethi/fabric-sidedb,jimthematrix/fabric,manish-sethi/fabric-sidedb,manish-sethi/fabric,manish-sethi/fabric-sidedb,manish-sethi/fabric-sidedb,stemlending/fabric,manish-sethi/fabric-sidedb,manish-sethi/fabric