[FAB-13210] Remove unused code in orderer/.../main.go

This change set removes unused code in
the file orderer/common/server/main.go

Change-Id: I5b5b3fe960633c8400008ba51a71e2c63344bdcf
Signed-off-by: yacovm <yacovm@il.ibm.com>

Author: yacovm

orderer/common/server/main.go

@@ -415,14 +415,6 @@ func initializeMultichannelRegistrar(bootstrapBlock *cb.Block,
 	return registrar
 }
 
-// logFunc implements the go-kit Logger interface
-type logFunc func(keyvals ...interface{}) error
-
-// Log creates a log record
-func (l logFunc) Log(keyvals ...interface{}) error {
-	return l(keyvals...)
-}
-
 func newOperationsSystem(ops localconfig.Operations, metrics localconfig.Metrics) *operations.System {
 	return operations.NewSystem(operations.Options{
 		Logger:        flogging.MustGetLogger("orderer.operations"),